a(n) = least positive k such that k, k+1, k+2, ... k+n-1 is a stapled interval of length n, or 0 if no such sequence exists.
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2184, 27829, 27828, 87890, 87890, 171054
1 seqfan posts
Sat May 2 16:12:32 CEST 2009 [seqfan] Re: OEIS duplicate hunt