# A054388 (b-file synthesized from sequence entry)
0 1
1 3
2 5
3 28
4 72
5 704
6 1664
7 2560
8 17408
9 311296
10 688128
11 3014656
12 6553600
13 56623104
14 121634816
15 520093696
16 369098752
17 7516192768
18 79456894976
19 111669149696
20 704374636544
21 5909874999296
22 824633720832
23 51677046505472