Column 0 of triangle A101980, which is the matrix logarithm of A008459 (squared entries of Pascal's triangle).
0, 1, 1, 4, 33, 456, 9460, 274800, 10643745, 530052880, 32995478376
2 seqfan posts
Sun Oct 10 01:06:40 CEST 2010 [seqfan] Re: Definition of A002190