# A261746 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 6
5 24
6 56
7 120
8 720
9 1712
10 5040
11 9408
12 40320
13 92800
14 362880
15 3628800
16 4948992
17 7918592
18 39916800
19 479001600
20 984237056
21 6085088256
22 6227020800
23 63352393728
24 87178291200
25 168662855680
26 1307674368000
27 14782316470272
28 20922789888000
29 38238313152512