# A147817 (b-file synthesized from sequence entry)
4 186
5 3050
6 20790
7 93030
8 321580
9 930636
10 2362500
11 5420580
12 11473110
13 22732710
14 42628586
15 76289850
16 131160120
17 217765240
18 350657640
19 549562536
20 840752850
21 1258681410
22 1847900670
23 2665301870
24 3782707236
25 5289850500
26 7297782700
27 9942741900
28 13390527150