# A046106 (b-file synthesized from sequence entry)
0 1
1 0
2 8
3 4
4 48
5 68
6 284
7 684
8 1816
9 5608
10 12684
11 42068
12 92916
13 304100
14 688988
15 2170020
16 5088784
17 15436172
18 37281880
19 109786204
20 271062388
21 781016892
22 1958863988
23 5555714820
24 14090644980
25 39503105472
26 101000072900
27 280693435596