# A064914 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 23
4 105
5 449
6 1902
7 7828
8 31976
9 129200
10 520425
11 2088217
12 8371186
13 33514797
14 134140430
15 536699674
16 2147154667
17 8589198795
18 34358341823
19 137435830265
20 549749857574
21 2199010044813
22 8796067657649
23 35184315676573
24 140737380485376
25 562949713881526