# A150376 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 23
4 96
5 354
6 1558
7 6126
8 27515
9 112507
10 512529
11 2147588
12 9885539
13 42148934
14 195391127
15 844315803
16 3934322576
17 17179647304
18 80384018006
19 353955909902
20 1661689382158
21 7367702237571
22 34682335239711
23 154675340648931
24 729757290756506
25 3270774292939276
26 15461202200359990
27 69595681801664499