# A259202 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 21
4 89
5 393
6 2225
7 18609
8 101057
9 816993
10 13457825
11 51228609
12 810315137
13 17176207233
14 131372857985
15 1305079808769
16 26689011214337
17 589160232591873
18 8710689840914945
19 54912598925708289
20 1233406496755480577
21 66645549104613373953
22 1133684888589441378305
23 7520981752666086084609
24 200384978441063958102017