# A227484 (b-file synthesized from sequence entry)
0 426
1 110582
2 1543242
3 12208658
4 76176642
5 419676194
6 2147525346
7 10478078306
8 49478563938
9 228185184866
10 1033790121570
11 4619196304994
12 20412418326114
13 89390811225698
14 388524258582114
15 1677932514369122
16 7207051830287970
17 30809448121032290
18 131162651106926178
19 556349805776789090
20 2352195514241310306