# A019993 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 74
4 76
5 479
6 658
7 749
8 1029
9 1722
10 3693
11 5431
12 17081
13 26611
14 89702
15 93902
16 132726
17 140759
18 144429
19 154292
20 928663
21 1178463
22 1625140
23 2053165
24 2690949
25 2935639
26 3643165
27 8402288
28 11566624
29 11599521
30 54349600