# A016153 (b-file synthesized from sequence entry)
0 0
1 1
2 13
3 133
4 1261
5 11605
6 105469
7 953317
8 8596237
9 77431669
10 697147165
11 6275373061
12 56482551853
13 508359743893
14 4575304803901
15 41178011670565
16 370603178776909
17 3335432903959477
18 30018913315504477
19 270170288559017029