# A059221 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 8
5 18
6 43
7 103
8 255
9 642
10 1640
11 4242
12 11096
13 29278
14 77882
15 208589
16 562056
17 1522606
18 4144521
19 11329608
20 31090910
21 85618848
22 236530942
23 655344579
24 1820585313
25 5070138554
26 14151907583
27 39584395796
28 110938500821
29 311481097178