# A084328 (b-file synthesized from sequence entry)
0 0
1 1
2 13
3 158
4 1911
5 23105
6 279344
7 3377317
8 40832337
9 493669894
10 5968552915
11 72160819061
12 872436565728
13 10547906344793
14 127525980259301
15 1541810773578190
16 18640754273664159
17 225369887048273977