# A047178 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 0
7 6
8 10
9 40
10 60
11 150
12 210
13 455
14 630
15 1470
16 2142
17 5544
18 8400
19 21630
20 32802
21 80520
22 121110
23 290400
24 437580
25 1056627
26 1608607
27 3929926
28 6034600
29 14742910
30 22712326
31 55107598
32 84996158
33 205272008
34 317302008