# A370218 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 93
4 639
5 4578
6 33423
7 246816
8 1838367
9 13788399
10 104011140
11 788315124
12 5998380543
13 45794787678
14 350619595614
15 2691082393818
16 20699166876831
17 159515321712480
18 1231354153215123
19 9519556856284218
20 73694926944160164
21 571201080979318470