# A026033 (b-file synthesized from sequence entry)
0 1
1 4
2 28
3 220
4 1819
5 15484
6 134320
7 1180764
8 10482340
9 93766288
10 843822148
11 7631018564
12 69291185474
13 631334484200
14 5769124912320
15 52851389067420
16 485242722376524
17 4463782855666480
18 41133265444555120