# A274764 (b-file synthesized from sequence entry)
1 1
2 20
3 962
4 75080
5 8133732
6 1127589120
7 190416834360
8 37902843124640
9 8686847271179984
10 2252403871470920960
11 651771144516905730048
12 208193858907016903262208
13 72758882836839703611703296
14 27613191886304138293279719424
15 11308972154842887758316960743424
16 4971172331379604809443266242019328