Numbers n whose k-th arithmetic derivative is zero for some k. Complement of A099309.
0, 1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 17, 18, 19, 21, 22, 23, 25, 29, 30, 31, 33, 34, 37
2 seqfan posts
Sun Jun 26 20:50:01 CEST 2011 [seqfan] Re: degree of integer