# A363600 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 20
4 52
5 140
6 356
7 880
8 2123
9 5016
10 11610
11 26400
12 59130
13 130476
14 284216
15 611592
16 1301344
17 2740194
18 5713930
19 11806144
20 24184908
21 49142504
22 99091244
23 198360536
24 394342884
25 778818658
26 1528531702
27 2982017956
28 5784365082
29 11158728448
30 21413292868