A008180 - OEIS

A008180 as a simple table

n	a(n)
0	1
1	4
2	12
3	24
4	38
5	66
6	100
7	118
8	162
9	220
10	262
11	300
12	376
13	456
14	516
15	566
16	648
17	774
18	848
19	936
20	1024
21	1126
22	1300
23	1366
24	1500
25	1628
26	1726
27	1916
28	2016
29	2218
30	2348
31	2428
32	2694
33	2874
34	3020
35	3120
36	3322
37	3624
38	3804
39	3924
40	4088
41	4372
42	4624
43	4852
44	5016
45	5214
46	5506

[1,4,12,24,38,66,100,118,162,220,262,300,376,456, 516,566,648,774,848,936,1024,1126,1300,1366,1500, 1628,1726,1916,2016,2218,2348,2428,2694,2874,3020, 3120,3322,3624,3804,3924,4088,4372,4624,4852,5016, 5214,5506]