A275990 - OEIS

A275990 as a simple table

n	a(n)
1	0
2	0
3	2
4	6
5	18
6	24
7	36
8	42
9	56
10	78
11	82
12	114
13	132
14	138
15	152
16	186
17	212
18	220
19	250
20	278
21	286
22	318
23	338
24	368
25	406
26	440
27	454
28	470
29	484
30	500
31	574
32	602
33	632
34	648
35	708
36	712
37	754
38	790
39	816
40	848
41	882
42	888
43	960
44	970
45	996
46	1014
47	1080
48	1176
49	1202
50	1210
51	1226
52	1254
53	1270
54	1332
55	1362
56	1404

[0,0,2,6,18,24,36,42,56,78,82,114,132,138,152,186, 212,220,250,278,286,318,338,368,406,440,454,470, 484,500,574,602,632,648,708,712,754,790,816,848, 882,888,960,970,996,1014,1080,1176,1202,1210,1226, 1254,1270,1332,1362,1404]

[0,0,2,6,18,24,36,42,56,78,82,114,132,138,152,186,
 212,220,250,278,286,318,338,368,406,440,454,470,
 484,500,574,602,632,648,708,712,754,790,816,848,
 882,888,960,970,996,1014,1080,1176,1202,1210,1226,
 1254,1270,1332,1362,1404]