# A162178 (b-file synthesized from sequence entry)
0 1
1 41
2 860
3 12300
4 134889
5 1209377
6 9230207
7 61657399
8 367846424
9 1990342376
10 9885562358
11 45508669878
12 195729780567
13 791712506207
14 3028721321382
15 11010682764150
16 38197208930405
17 126905454993645
18 405078061871575