A002441 - OEIS

A002441 as a simple table

n	a(n)
1	1
2	4
3	11
4	20
5	31
6	44
7	61
8	100
9	121
10	144
11	171
12	220
13	251
14	304
15	341
16	400
17	441
18	504
19	551
20	620
21	671
22	744
23	1021
24	1100
25	1161
26	1244
27	1331
28	1420
29	1511
30	1604
31	1701
32	2000
33	2101
34	2204
35	2311
36	2420
37	2531
38	2644
39	2761
40	3100
41	3221
42	3344
43	3471
44	3620
45	3751
46	4104
47	4241

[1,4,11,20,31,44,61,100,121,144,171,220,251,304, 341,400,441,504,551,620,671,744,1021,1100,1161, 1244,1331,1420,1511,1604,1701,2000,2101,2204,2311, 2420,2531,2644,2761,3100,3221,3344,3471,3620,3751, 4104,4241]