# A073630 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 1849
5 22912
6 40328
7 646912
8 3607298
9 6323422
10 7520900
11 8962893
12 23879700
13 38043325
14 157944268
15 1105942626
16 3604734726
17 5239828426
18 8179002096
19 8179002106
20 37234260225