# A001398 (b-file synthesized from sequence entry)
1 8
2 56
3 464
4 3520
5 27768
6 217316
7 1719616
8 13633972
9 108620060
10 867750412
11 6952901716
12 55838915036
13 449398552664
14 3623393504692
15 29262315259524