0,1

For all n not in A016873, a(n) = n^4 + 2n^3 + 3n^2 + 2n + 2, else A099024((n-2)/5). - R. Stephan, Sep 25 2004

Sequence in context: A156780 A067046 A066394 this_sequence A089601 A043072 A165451

Adjacent sequences: A033463 A033464 A033465 this_sequence A033467 A033468 A033469

nonn

N. J. A. Sloane (njas(AT)research.att.com).