# A150645 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 27
4 119
5 532
6 2493
7 11751
8 56526
9 272852
10 1330410
11 6502103
12 31952536
13 157280769
14 776671738
15 3839959233
16 19022898390
17 94323668554
18 468299922839
19 2326622294614
20 11569292283782
21 57559421076093
22 286544762335029
23 1427071552401897
24 7110370388498281
25 35438671133831670
26 176687791134419279