a(n+1)=a(n)-n^2 if positive and new, else a(n+1)=a(n)+n^2; a(0)=1.
1, 1, 2, 6, 15, 31, 56, 20, 69, 5, 86, 186, 65, 209, 40, 236, 11, 267, 556, 232, 593, 193
2 seqfan posts
Fri Mar 12 22:23:40 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...