# A240434 (b-file synthesized from sequence entry)
0 0
1 4
2 28
3 128
4 480
5 1600
6 4928
7 14336
8 39936
9 107520
10 281600
11 720896
12 1810432
13 4472832
14 10895360
15 26214400
16 62390272
17 147062784
18 343670784
19 796917760
20 1835008000
21 4198498304
22 9550430208
23 21609054208
24 48653926400
25 109051904000
26 243403849728
27 541165879296