# A148537 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 19
5 45
6 161
7 457
8 1571
9 5133
10 17539
11 60615
12 210997
13 744557
14 2682465
15 9596691
16 35214755
17 128039943
18 473335939
19 1758472503
20 6539815607
21 24610987311
22 92318357155
23 349482079913
24 1327838985311
25 5049241556553
26 19348234377367
27 74002908443465
28 284803026049073
29 1098770756946235
30 4242810322978199