# A123046 (b-file synthesized from sequence entry)
0 0
1 1
2 4
3 6
4 23
5 52
6 194
7 586
8 2131
9 7286
10 26524
11 95326
12 350738
13 1290556
14 4798174
15 17895736
16 67127315
17 252645136
18 954510114
19 3616814566
20 13744183772
21 52357696956
22 199912348954
23 764877654106
24 2932035552786
25 11258999068468
26 43303860638644
27 166799986203766