# A087451 (b-file synthesized from sequence entry)
0 2
1 1
2 13
3 19
4 97
5 211
6 793
7 2059
8 6817
9 19171
10 60073
11 175099
12 535537
13 1586131
14 4799353
15 14316139
16 43112257
17 129009091
18 387682633
19 1161737179
20 3487832977
21 10458256051
22 31385253913
23 94134790219
24 282446313697
25 847255055011