A009889 - OEIS

A009889 as a simple table

n	a(n)
0	1
1	4
2	8
3	20
4	44
5	55
6	80
7	118
8	152
9	204
10	228
11	272
12	354
13	404
14	464
15	517
16	594
17	690
18	778
19	858
20	920
21	1036
22	1152
23	1276
24	1362
25	1439
26	1576
27	1730
28	1900
29	1982
30	2064
31	2282
32	2398
33	2632
34	2802
35	2711
36	3102
37	3284
38	3382
39	3682
40	3646
41	3916
42	4286
43	4378
44	4568
45	4713
46	4956

[1,4,8,20,44,55,80,118,152,204,228,272,354,404, 464,517,594,690,778,858,920,1036,1152,1276,1362, 1439,1576,1730,1900,1982,2064,2282,2398,2632,2802, 2711,3102,3284,3382,3682,3646,3916,4286,4378,4568, 4713,4956]