# A056243 (b-file synthesized from sequence entry)
3 1
4 9
5 41
6 146
7 456
8 1312
9 3568
10 9312
11 23552
12 58112
13 140544
14 334336
15 784384
16 1818624
17 4173824
18 9494528
19 21430272
20 48037888
21 107020288
22 237109248
23 522715136
24 1147142144
25 2507145216
26 5458886656
27 11844714496
28 25618808832
29 55247372288