# A255276 (b-file synthesized from sequence entry)
0 1
1 8
2 28
3 128
4 480
5 2008
6 7776
7 31672
8 124528
9 500792
10 1982144
11 7926808
12 31474832
13 125567832
14 499339552
15 1989964024
16 7918843056
17 31542845816
18 125560568192
19 500031498968
20 1990726198480
21 7927069429912
22 31561303322592
23 125671455827384