# A019246 (b-file synthesized from sequence entry)
3 0
4 0
5 4
6 8
7 4
8 20
9 68
10 108
11 256
12 706
13 1592
14 3592
15 9476
16 23558
17 57164
18 146824
19 382308
20 979768
21 2546128
22 6726610
23 17736940
24 46885242
25 124830600
26 333145774
27 889811108
28 2383411046
29 6398296760
30 17195614290
31 46283797072