# A000600 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 1
5 1
6 3
7 7
8 17
9 40
10 102
11 249
12 631
13 1594
14 4074
15 10443
16 26981
17 69923
18 182158
19 476141
20 1249237
21 3287448
22 8677074
23 22962118
24 60915508
25 161962845
26 431536102
27 1152022025
28 3081015684
29 8253947104
30 22147214029
31 59514474967