# A048666 (b-file synthesized from sequence entry)
1 1
2 10
3 135
4 1980
5 30475
6 483702
7 7847525
8 129419240
9 2161766520
10 36481155310
11 620845213890
12 10640356142700
13 183453873965570
14 3179310190998270
15 55345614317169210