# A059140 (b-file synthesized from sequence entry)
0 4
1 15
2 40
3 93
4 202
5 423
6 868
7 1761
8 3550
9 7131
10 14296
11 28629
12 57298
13 114639
14 229324
15 458697
16 917446
17 1834947
18 3669952
19 7339965
20 14679994
21 29360055
22 58720180
23 117440433
24 234880942
25 469761963
26 939524008
27 1879048101
28 3758096290
29 7516192671
30 15032385436