# A150464 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 25
4 97
5 404
6 1693
7 7388
8 32505
9 145180
10 657113
11 2989105
12 13746349
13 63477990
14 294979025
15 1377542831
16 6455184517
17 30385998096
18 143414160901
19 679093203299
20 3224102213017
21 15341517413850
22 73177613623841
23 349684935900806
24 1674275884420683
25 8029765418428754
26 38569710367459915
27 185545627362485953