# A026665 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 8
5 13
6 26
7 59
8 118
9 205
10 410
11 973
12 1946
13 3479
14 6958
15 16882
16 33764
17 61319
18 122638
19 301486
20 602972
21 1105973
22 2211946
23 5485128
24 10970256
25 20259303
26 40518606
27 101097960
28 202195920
29 375265833
30 750531666
31 1881279267