# A032334 (b-file synthesized from sequence entry)
1 2
2 2
3 4
4 28
5 234
6 2834
7 37862
8 645798
9 12252314
10 269821766
11 6611057718
12 180775499686
13 5412970783146
14 177123000526346
15 6268987640931794
16 239030133031899966
17 9760054909767135992
18 425094158160031535196