# A036365 (b-file synthesized from sequence entry)
3 0
4 2
5 6
6 17
7 49
8 135
9 361
10 951
11 2493
12 6497
13 16837
14 43498
15 112164
16 288741
17 742294
18 1906552
19 4893835
20 12555662
21 32201344
22 82566738
23 211675672
24 542621858
25 1390929877
26 3565435302
27 9139718572
28 23430209922
29 60069035611
30 154014868677