# A081356 (b-file synthesized from sequence entry)
0 0
1 2
2 4
3 17
4 33
5 144
6 317
7 1439
8 3167
9 14144
10 31624
11 141442
12 316229
13 1414234
14 3162922
15 14142148
16 31622888
17 141422444
18 316292397
19 1414213838
20 3162353552
21 14142137977
22 31622912229
23 141421462429
24 316228884988
25 1414214626248