# A365878 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 83
5 381
6 1939
7 9905
8 52544
9 282315
10 1545130
11 8552557
12 47880020
13 270401515
14 1539288570
15 8821594865
16 50860072024
17 294774097800
18 1716506373521
19 10037592274363
20 58920231785426
21 347051995986538
22 2050627029532225
23 12151336260368205