A098225 - OEIS

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A098225 as a simple table

n	a(n)
1	4
2	20
3	97
4	510
5	2529
6	10239
7	33950
8	90510
9	145227
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0

[4,20,97,510,2529,10239,33950,90510,145227,0,0,0, 0,0,0,0,0,0,0,0,0,0,0]