# A022030 (b-file synthesized from sequence entry)
0 4
1 16
2 63
3 249
4 984
5 3889
6 15370
7 60745
8 240075
9 948819
10 3749901
11 14820274
12 58572352
13 231488326
14 914882931
15 3615779646
16 14290202610
17 56477415835
18 223208766625
19 882160643536
20 3486455360919
21 13779090092886
22 54457408494633
23 215225339261149
24 850608722312629
25 3361756570848769