# A044046 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 3
4 16
5 66
6 300
7 1314
8 5884
9 26304
10 118633
11 537255
12 2447172
13 11197710
14 51473017
15 237569535
16 1100655430
17 5117008440
18 23865566651
19 111636805905
20 523632748312
21 2462303017950
22 11605730134178
23 54821137926588
24 259479816361256
25 1230496691745816
26 5845551200648015