# A337367 (b-file synthesized from sequence entry)
0 0
1 4
2 32
3 156
4 608
5 2116
6 6816
7 20844
8 61376
9 175628
10 491248
11 1349172
12 3650144
13 9751532
14 25774672
15 67501556
16 175375136
17 452454276
18 1160098576
19 2958123556
20 7505767840
21 18959922796
22 47701159264
23 119570463980
24 298719578688
25 743984084700
26 1847709517360
27 4576818079076
28 11309417827072