# A145970 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 4
8 7
9 15
10 33
11 90
12 201
13 647
14 1861
15 7123
16 23236
17 101280
18 390759
19 2050696
20 9515925
21 59455120
22 328131409
23 2431442671
24 15797747304
25 137926288897
26 1064505557777