A166781 - OEIS

A166781 as a simple table

n	a(n)
1	4
2	17
3	44
4	91
5	164
6	269
7	412
8	599
9	836
10	1129
11	1484
12	1907
13	2404
14	2981
15	3644
16	4399
17	5252
18	6209
19	7276
20	8459
21	9764
22	11197
23	12764
24	14471
25	16324
26	18329
27	20492
28	22819
29	25316
30	27989
31	30844
32	33887
33	37124
34	40561
35	44204
36	48059
37	52132
38	56429
39	60956
40	65719
41	70724

[4,17,44,91,164,269,412,599,836,1129,1484,1907, 2404,2981,3644,4399,5252,6209,7276,8459,9764, 11197,12764,14471,16324,18329,20492,22819,25316, 27989,30844,33887,37124,40561,44204,48059,52132, 56429,60956,65719,70724]