# A367474 (b-file synthesized from sequence entry)
0 1
1 4
2 28
3 272
4 3360
5 50256
6 881616
7 17734944
8 402278496
9 10155145344
10 282329361024
11 8570500876032
12 282047266728192
13 10001430040080384
14 380152962804068352
15 15418451851593596928
16 664633482628021493760
17 30342827915683778027520