The first, 11, terms, starting at i=0 of the sequence: Largest pos. integer N\ OT representable as a sum of DISTINCT values of the the polynomial in j, (j + 4) (j + 3) (j + 2) (j + 1) -------------------------------, with j>=i, are 24 [12659, 23319, 33134, 39399, 41954, 49024, 80699, 88014, 96154] ------------------------------------- This took, 8195.385, seconds.