# A028207 (b-file synthesized from sequence entry)
0 1
1 34
2 731
3 12716
4 195657
5 2781030
6 37422967
7 484054192
8 6078887573
9 74632686986
10 900223323363
11 10706758727028
12 125901196014049
13 1466781515230702
14 16957557634824719
15 194793155476604024