# A024877 (b-file synthesized from sequence entry)
2 9
3 12
4 37
5 61
6 133
7 214
8 413
9 669
10 1208
11 1954
12 3394
13 5492
14 9309
15 15062
16 25131
17 40663
18 67147
19 108646
20 178181
21 288303
22 470670
23 761560
24 1239524
25 2005592
26 3257761
27 5271168
28 8550753