A009919 - OEIS

A009919 as a simple table

n	a(n)
0	1
1	4
2	10
3	21
4	34
5	47
6	72
7	108
8	136
9	162
10	200
11	247
12	300
13	352
14	400
15	454
16	519
17	591
18	665
19	739
20	815
21	898
22	986
23	1079
24	1180
25	1277
26	1375
27	1486
28	1598
29	1711
30	1834
31	1964
32	2093
33	2218
34	2349
35	2495
36	2648
37	2797
38	2945
39	3094
40	3250
41	3424
42	3605
43	3777
44	3945
45	4119
46	4304

[1,4,10,21,34,47,72,108,136,162,200,247,300,352, 400,454,519,591,665,739,815,898,986,1079,1180, 1277,1375,1486,1598,1711,1834,1964,2093,2218,2349, 2495,2648,2797,2945,3094,3250,3424,3605,3777,3945, 4119,4304]