A347320 - OEIS

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A347320 as a simple table

n	a(n)
1	0
2	4
3	42
4	176
5	540
6	1152
7	2534
8	4608
9	6984
10	12580
11	19250
12	26016
13	39988
14	55076
15	63570
16	97920
17	127024
18	155088
19	203946
20	253360
21	289044
22	378884
23	456918

[0,4,42,176,540,1152,2534,4608,6984,12580,19250, 26016,39988,55076,63570,97920,127024,155088, 203946,253360,289044,378884,456918]