A009880 - OEIS

A009880 as a simple table

n	a(n)
0	1
1	4
2	10
3	18
4	28
5	45
6	66
7	89
8	115
9	141
10	171
11	205
12	245
13	292
14	338
15	387
16	443
17	500
18	554
19	606
20	670
21	750
22	831
23	912
24	996
25	1084
26	1172
27	1253
28	1337
29	1429
30	1533
31	1654
32	1777
33	1892
34	2003
35	2119
36	2241
37	2352
38	2462
39	2594
40	2743
41	2900
42	3053
43	3205
44	3358
45	3500
46	3642
47	3787

[1,4,10,18,28,45,66,89,115,141,171,205,245,292, 338,387,443,500,554,606,670,750,831,912,996,1084, 1172,1253,1337,1429,1533,1654,1777,1892,2003,2119, 2241,2352,2462,2594,2743,2900,3053,3205,3358,3500, 3642,3787]