A271624 - OEIS

A271624 as a simple table

n	a(n)
1	2
2	4
3	10
4	20
5	34
6	52
7	74
8	100
9	130
10	164
11	202
12	244
13	290
14	340
15	394
16	452
17	514
18	580
19	650
20	724
21	802
22	884
23	970
24	1060
25	1154
26	1252
27	1354
28	1460
29	1570
30	1684
31	1802
32	1924
33	2050
34	2180
35	2314
36	2452
37	2594
38	2740
39	2890
40	3044
41	3202
42	3364
43	3530
44	3700
45	3874
46	4052
47	4234
48	4420
49	4610
50	4804
51	5002
52	5204
53	5410
54	5620

[2,4,10,20,34,52,74,100,130,164,202,244,290,340, 394,452,514,580,650,724,802,884,970,1060,1154, 1252,1354,1460,1570,1684,1802,1924,2050,2180,2314, 2452,2594,2740,2890,3044,3202,3364,3530,3700,3874, 4052,4234,4420,4610,4804,5002,5204,5410,5620]