# A301392 (b-file synthesized from sequence entry)
0 1
1 24
2 1716
3 171360
4 19908420
5 2520945504
6 337515951696
7 46988523863424
8 6733620845342820
9 986687339945804640
10 147160710112066546896
11 22266479585813841915264
12 3409510715450350579710096
13 527349554424095532928444800
14 82268694346361937381278049600