Numbers n such that n! is the sum of two triangular numbers.
0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 13, 15, 16, 17, 21, 24, 27, 28, 29, 32, 33, 34, 42, 49, 54, 59
1 seqfan posts
Wed Oct 13 04:08:07 CEST 2010 [seqfan] Re: [math-fun] Triangular+Triangular = Factorial