# A016294 (b-file synthesized from sequence entry)
0 1
1 18
2 244
3 3048
4 37072
5 446880
6 5370688
7 64480896
8 773901568
9 9287342592
10 111450207232
11 1337410873344
12 16048964030464
13 192587702575104
14 2311052967755776
15 27732637760520192
16 332791661716111360