# A024778 (b-file synthesized from sequence entry)
0 1
1 30
2 595
3 9840
4 147061
5 2063010
6 27740215
7 362136180
8 4628090521
9 58232585190
10 724277646235
11 8930528438520
12 109397647960381
13 1333481828166570
14 16193198750646655
15 196081347032548860