Number of partitions of n into parts occurring in '3x+1'-trajectory starting with n.
1, 2, 3, 4, 5, 11, 9, 10, 17, 20, 23, 66, 35, 57, 51, 36, 77, 153, 122, 126, 61, 213, 189
1 seqfan posts
Fri Feb 11 16:10:48 CET 2011 [seqfan] Re: about 33826 formulas,