# A024876 (b-file synthesized from sequence entry)
0 3
1 7
2 15
3 31
4 68
5 151
6 339
7 767
8 1743
9 3972
10 9067
11 20719
12 47375
13 108367
14 247940
15 567359
16 1298395
17 2971519
18 6800863
19 15565316
20 35625171
21 81537815
22 186622095
23 427137983
24 977628868
25 2237588711
26 5121377187
27 11721775999
28 26828733231