A027373 - OEIS

A027373 as a simple table

n	a(n)
0	1
1	4
2	10
3	20
4	33
5	50
6	71
7	95
8	124
9	158
10	197
11	239
12	282
13	329
14	380
15	435
16	495
17	558
18	627
19	702
20	779
21	858
22	938
23	1023
24	1114
25	1208
26	1307
27	1410
28	1518
29	1631
30	1745
31	1861
32	1981
33	2106
34	2236
35	2369
36	2506
37	2648
38	2794
39	2944
40	3097
41	3253
42	3413
43	3577
44	3744
45	3915
46	4091

[1,4,10,20,33,50,71,95,124,158,197,239,282,329, 380,435,495,558,627,702,779,858,938,1023,1114, 1208,1307,1410,1518,1631,1745,1861,1981,2106,2236, 2369,2506,2648,2794,2944,3097,3253,3413,3577,3744, 3915,4091]