# A028066 (b-file synthesized from sequence entry)
0 1
1 27
2 474
3 6902
4 90867
5 1126545
6 13446028
7 156530604
8 1791797733
9 20274317063
10 227558149182
11 2539586737506
12 28227640438999
13 312844584806781
14 3460030004311536
15 38210322891344408
16 421513875961285065