# A049963 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 9
5 25
6 43
7 93
8 220
9 617
10 1016
11 2039
12 4112
13 8401
14 17598
15 38292
16 90070
17 252612
18 415156
19 830319
20 1660672
21 3321521
22 6643838
23 13290772
24 26595030
25 53262532
26 106850150
27 214945816
28 434874798
29 889700788
30 1859656696