First differences give the same sequence written as a string of individual digits.
5, 10, 11, 11, 12, 13, 14, 15, 16, 18, 19, 22, 23, 27, 28, 33, 34, 40, 41, 49, 50, 59, 61
1 seqfan posts
Fri May 21 09:59:46 CEST 2010 [seqfan] Re: Missing word in A107978