# A135424 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 576
5 1728000
6 373248000
7 645241282560000
8 106562062388507443200000
9 2283380023591730815784976384000000
10 8285929429609672784320522302259200000000000000
11 6445338699818543423838070745146350567696629760000000000000000