# A150377 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 23
4 96
5 370
6 1566
7 6489
8 28076
9 121360
10 532628
11 2351022
12 10460730
13 46813510
14 210658107
15 951491883
16 4316746000
17 19642710584
18 89689252555
19 410604172754
20 1884310038732
21 8667443235220
22 39945921903911
23 184461876354657
24 853252405659431
25 3952900305874812
26 18340232241154683
27 85204091647976402