A174612 - OEIS

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A174612 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	19
7	55
8	144
9	314
10	619
11	1179
12	2102
13	3639
14	6042
15	9938
16	16202
17	25758
18	40685
19	63343
20	98253
21	151566
22	232742

[0,0,0,0,0,4,19,55,144,314,619,1179,2102,3639, 6042,9938,16202,25758,40685,63343,98253,151566, 232742]