# A277244 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 31
4 109
5 335
6 1002
7 2741
8 7168
9 17685
10 41801
11 94377
12 205277
13 430087
14 872302
15 1714941
16 3278477
17 6103521
18 11091375
19 19700943
20 34265319
21 58429093
22 97816791
23 160944051
24 260558245
25 415434960
26 652940560
27 1012418264
28 1549884617
29 2344153951
30 3505141354