# A149784 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 19
4 81
5 349
6 1555
7 7053
8 32497
9 151005
10 708409
11 3344375
12 15879317
13 75743615
14 362725533
15 1742819393
16 8398499171
17 40573677013
18 196450014697
19 953043821113
20 4631611218959
21 22543961216383
22 109885301062387
23 536291022892125
24 2620369720961805
25 12816847429043339
26 62750550805668051
27 307494459419443003