# A026877 (b-file synthesized from sequence entry)
1 1
2 5
3 22
4 94
5 399
6 1696
7 7243
8 31122
9 134623
10 586324
11 2570936
12 11347408
13 50401287
14 225215350
15 1012114200
16 4572954259
17 20766382311
18 94751225278
19 434246502792
20 1998426293942
21 9232496379669
22 42807004979015
23 199144155148587