# A120490 (b-file synthesized from sequence entry)
1 2
2 4
3 15
4 101
5 980
6 12202
7 184821
8 3297457
9 67731334
10 1574304986
11 40851766527
12 1170684360925
13 36720042483592
14 1251308658130546
15 46034015337733481
16 1818399978159990977
17 76762718946972480010
18 3448810852242967123282