# A068620 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 8
5 56
6 272
7 1184
8 4736
9 17536
10 65792
11 254464
12 1015808
13 4130816
14 16781312
15 67641344
16 270565376
17 1077968896
18 4295032832
19 17146445824
20 68585259008
21 274609995776
22 1099512676352
23 4400196091904
24 17600784367616
25 70385932435456
26 281474993487872