# A099963 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 10
5 23
6 64
7 179
8 514
9 1685
10 5940
11 20676
12 79319
13 334819
14 1373858
15 6075215
16 29763791
17 140830911
18 707344776
19 3937348498
20 21115879847
21 118932148555
22 740523625011
23 4440207749039
24 27742486678915
25 190912973144330