# A000347 (b-file synthesized from sequence entry)
4 1
5 5
6 24
7 84
8 251
9 653
10 1543
11 3341
12 6763
13 12879
14 23446
15 40883
16 68757
17 111976
18 177358
19 273926
20 413784
21 612430
22 889959
23 1271709
24 1789841
25 2483779
26 3402623
27 4605954
28 6166614
29 8171174
30 10724604
31 13950011
32 17994136
33 23029141
34 29255902
35 36908235
36 46257694
37 57616522
38 71344257
39 87853381
40 107612397