# A094559 (b-file synthesized from sequence entry)
0 0
1 0
2 4
3 16
4 76
5 304
6 1264
7 5056
8 20404
9 81616
10 327184
11 1308736
12 5237776
13 20951104
14 83815744
15 335262976
16 1341097036
17 5364388144
18 21457733104
19 85830932416
20 343324451056
21 1373297804224
22 5493194102464
23 21972776409856
24 87891117178864