# A047776 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 2
6 11
7 71
8 370
9 2005
10 10682
11 58167
12 320116
13 1789210
14 10121965
15 57933469
16 334919626
17 1953800059
18 11489466014
19 68053583772
20 405713887061
21 2433000197471
22 14668527134167
23 88869448492895
24 540834097467624
25 3304961431043989
26 20273201718862728
27 124798671079300720
28 770762029389852807