# A138913 (b-file synthesized from sequence entry)
1 1
2 1
3 6
4 99
5 2362
6 70484
7 2463460
8 97309959
9 4251047468
10 202470323828
11 10409697289888
12 573563068625768
13 33682595044746416
14 2099111839596600644
15 138339363094940014088
16 9612941947359915802978
17 702527738704990333954432