# A149088 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 7
4 30
5 75
6 323
7 927
8 4084
9 12757
10 57357
11 190323
12 863932
13 2990215
14 13742390
15 49151253
16 227407578
17 834395673
18 3888507313
19 14572098227
20 68261017116
21 260231521603
22 1224649653002
23 4738562044311
24 22388087279914
25 87710572097589
26 415756729437735
27 1646822285537643
28 7829736984834466