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 + 3) (j + 2) (j + 1) -----------------------, with j>=i, are 6 [558, 897, 1282, 1818, 2218, 2832, 3807, 5067, 5692, 6567, 8038] ------------------------------------- This took, 155.815, seconds.