# A331519 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 3
5 9
6 15
7 63
8 63
9 189
10 315
11 1323
12 1701
13 6237
14 12285
15 59535
16 59535
17 178605
18 297675
19 1250235
20 1607445
21 5893965
22 11609325
23 56260575
24 63761985
25 213790185
26 393824025
27 1811590515
28 2531725875
29 10025634465
30 21210236775
31 109876902975
32 109876902975
33 329630708925