Length of shortest series s(1..a(n))>0, with s(1)=1 and |s(i+1)-s(i)|=i and no value s(i) repeated, containing all the values 1..n
1, 2, 5, 5, 13, 17, 17, 20, 29, 36, 37, 37, 37, 37, 41, 45, 45, 56, 56, 58, 58, 58, 62, 62
1 seqfan posts
Mon Apr 12 01:41:44 CEST 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...