# A337827 (b-file synthesized from sequence entry)
1 1
2 4
3 91
4 5106
5 510312
6 79419180
7 17758541160
8 5397245416080
9 2140495978440960
10 1073686615987184640
11 664582969579048732800
12 497566995304189676342400
13 443212653988584642449548800
14 463237380681508395323231270400
15 561422444732790213860755013145600
16 780983354978825959061219179885824000