> #Attendence Q1： Let K be the 3-digit number consisting of your 3rd, 4th, 5th ruid digits. What is g(K)
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> #  Ans: my ruid is 179009929. g(K) =1*g(K-0)+1*g(K-0)+1*g(K-9)
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> 
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> #Attendence Q2: Is {g(n)} in the OEIS? if YES, what is the A number? 
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> #Ans: Not found
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> 
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> #Attendence Q3: For i=3,4,5..., compute SeqRec([[1$i], [0$(i-1),1]], 30); 
> #Find whether these sequences are in the OEIS. Find their A-numbers. What is the smallest i for which this sequence is not in the OEIS? Should it be? 
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> #Ans:
> #i=3, [0, 0, 1, 1, 2, 4, 7, 13, 24, 44, 81, 149, 274, #504, 927, 1705, 3136, 5768, 
> #10609, 19513, 35890, 66012, 121415, 223317, #410744, 755476, 1389537, 2555757, 
> #4700770, 8646064, 15902591]----A73
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> #i=4, [0, 0, 0, 1, 1, 2, 4, 8, 15, 29, 56, 108, 208, #401, 773, 1490, 2872, 5536, 
> #10671, 20569, 39648, 76424, 147312, 283953, #547337, 1055026, 2033628, 3919944,
> #7555935, 14564533, 28074040]
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> #i=5, [0, 0, 0, 0, 1, 1, 2, 4, 8, 16, 31, 61, 120, #236, 464, 912, 1793, 3525, 6930, 
> #13624, 26784, 52656, 103519, 203513, #400096, 786568, 1546352, 3040048, 5976577,
> #11749641, 23099186]----A1591

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> #... ...
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> #i=31，[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, #0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> #0, 0, 0, 0, 1]  --
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> #Actualluy, after i=32, all elements of list is 0, there must have A number is OEIS. 
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> 
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> #Attendence Q3: Let a: =2nd digit of your ruid(179009929) b:= 7th digit. What is the 100th term of GFseq(1/(1-x^a-x^b));
> #Ans: 716
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