# A150042 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 18
4 58
5 198
6 699
7 2555
8 9496
9 35858
10 137357
11 532718
12 2088905
13 8261370
14 32902004
15 131899705
16 531966574
17 2157304467
18 8790642741
19 35967722498
20 147723568543
21 608879673427
22 2517980169752
23 10444486214272
24 43440861244434
25 181131270913433
26 757027164305121
27 3170993736654692