# A280571 (b-file synthesized from sequence entry)
1 1
2 4
3 52
4 1228
5 42652
6 1972324
7 114581476
8 8051020348
9 666126945340
10 63620722928308
11 6907454641512244
12 842227742687112604
13 114192665828161184332
14 17076069626235659815108
15 2796969496541969481342100
16 498871283058754285439126092
17 96403472225110465517090352700
18 20094942949266343527252229063204
19 4500802213556155723422379457382916
20 1079478060677848794106956676648220860