# A089880 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 10
5 22
6 76
7 217
8 750
9 2438
10 8524
11 29414
12 104468
13 371516
14 1338936
15 4847637
16 17685270
17 64823110
18 238843660
19 883634026
20 3282152588
21 12233141908
22 45741634536
23 171529836218
24 644953425740
25 2430973304732
26 9183681736376