# A005593 (b-file synthesized from sequence entry)
1 2
2 5
3 12
4 29
5 71
6 177
7 448
8 1147
9 2960
10 7679
11 19989
12 52145
13 136214
14 356121
15 931540
16 2437513
17 6379403
18 16698113
19 43710756
20 114427391
21 299560472
22 784236315
23 2053119817
24 5375076769
25 14072035466
26 36840908237
27 96450492828
28 252510252437