# A019994 (b-file synthesized from sequence entry)
0 2
1 21
2 929
3 3380
4 44668
5 45653
6 90314
7 442076
8 1511645
9 2108657
10 6512625
11 59305467
12 268601019
13 418467213
14 680269244
15 712120382
16 838792718
17 1067470406
18 1095301586
19 53830654373
20 62793395990
21 137694158842