A334705 - OEIS

A334705 as a simple table

n	a(n)
1	0
2	0
3	4
4	0
5	18
6	76
7	0
8	48
9	200
10	516
11	0
12	100
13	412
14	1056
15	2148
16	0
17	180
18	738
19	1884
20	3820
21	6768
22	0
23	294
24	1200
25	3052
26	6176
27	10922
28	17600
29	0
30	448
31	1824
32	4628
33	9352
34	16516
35	26588
36	40120
37	0
38	648
39	2632
40	6668
41	13456
42	23740
43	38192
44	57588
45	82608
46	0
47	900
48	3650
49	9232
50	18612
51	32812
52	52758
53	79508
54	114000
55	157252

[0,0,4,0,18,76,0,48,200,516,0,100,412,1056,2148,0, 180,738,1884,3820,6768,0,294,1200,3052,6176,10922, 17600,0,448,1824,4628,9352,16516,26588,40120,0, 648,2632,6668,13456,23740,38192,57588,82608,0,900, 3650,9232,18612,32812,52758,79508,114000,157252]