# A056038 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 2
6 6
7 6
8 24
9 24
10 720
11 720
12 720
13 720
14 5040
15 5040
16 40320
17 40320
18 362880
19 362880
20 3628800
21 3628800
22 39916800
23 39916800
24 479001600
25 479001600
26 6227020800
27 6227020800
28 1307674368000
29 1307674368000
30 1307674368000
31 1307674368000
32 20922789888000