# A019198 (b-file synthesized from sequence entry)
3 0
4 1
5 2
6 6
7 6
8 34
9 48
10 104
11 256
12 792
13 1424
14 3820
15 9176
16 24331
17 55108
18 148909
19 365414
20 962722
21 2413464
22 6452068
23 16545824
24 44105799
25 115223284
26 308754511
27 814697208
28 2187677942
29 5824197548
30 15672459560
31 41939621146