# A037512 (b-file synthesized from sequence entry)
1 2
2 6
3 19
4 59
5 177
6 532
7 1598
8 4794
9 14383
10 43151
11 129453
12 388360
13 1165082
14 3495246
15 10485739
16 31457219
17 94371657
18 283114972
19 849344918
20 2548034754
21 7644104263
22 22932312791
23 68796938373
24 206390815120
25 619172445362