# A127230 (b-file synthesized from sequence entry)
1 1
2 23
3 719
4 40319
5 3628799
6 479001599
7 87178291199
8 20922789887999
9 6402373705727999
10 2432902008176639999
11 1124000727777607679999
12 620448401733239439359999
13 403291461126605635583999999
14 304888344611713860501503999999
15 265252859812191058636308479999999