A008144 - OEIS

A008144 as a simple table

n	a(n)
0	1
1	4
2	10
3	20
4	35
5	54
6	78
7	104
8	134
9	171
10	210
11	255
12	303
13	355
14	413
15	472
16	535
17	605
18	680
19	758
20	838
21	923
22	1016
23	1107
24	1202
25	1311
26	1418
27	1525
28	1640
29	1759
30	1883
31	2009
32	2143
33	2284
34	2420
35	2563
36	2714
37	2860
38	3017
39	3185
40	3348
41	3516
42	3691
43	3869
44	4048
45	4232
46	4432
47	4627

[1,4,10,20,35,54,78,104,134,171,210,255,303,355, 413,472,535,605,680,758,838,923,1016,1107,1202, 1311,1418,1525,1640,1759,1883,2009,2143,2284,2420, 2563,2714,2860,3017,3185,3348,3516,3691,3869,4048, 4232,4432,4627]