Number of numbers less than n, that are contained in n written as English number names.
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2
1 seqfan posts
Sat May 2 16:12:32 CEST 2009 [seqfan] Re: OEIS duplicate hunt