# A037776 (b-file synthesized from sequence entry)
1 3
2 25
3 200
4 1602
5 12819
6 102553
7 820424
8 6563394
9 52507155
10 420057241
11 3360457928
12 26883663426
13 215069307411
14 1720554459289
15 13764435674312
16 110115485394498
17 880923883155987
18 7047391065247897