# A028021 (b-file synthesized from sequence entry)
0 1
1 32
2 665
3 11380
4 174261
5 2483592
6 33669985
7 440024060
8 5592152621
9 69530670352
10 849490297305
11 10231269580740
12 121775852180581
13 1435121355116312
14 16771617736444625
15 194605340572369420