A333709 - OEIS

A333709 as a simple table

n	a(n)
1	0
2	1
3	3
4	6
5	11
6	16
7	22
8	30
9	38
10	48
11	58
12	70
13	82
14	95
15	110
16	125
17	142
18	159
19	178
20	197
21	218
22	239
23	262
24	285
25	310
26	335
27	362
28	389
29	418
30	447
31	478
32	509
33	542
34	575
35	610
36	645
37	682
38	719
39	757
40	797
41	837
42	879
43	921
44	965
45	1009
46	1055
47	1101
48	1149
49	1197
50	1247
51	1297
52	1349
53	1401
54	1455
55	1509
56	1565
57	1621
58	1679
59	1737
60	1797

[0,1,3,6,11,16,22,30,38,48,58,70,82,95,110,125, 142,159,178,197,218,239,262,285,310,335,362,389, 418,447,478,509,542,575,610,645,682,719,757,797, 837,879,921,965,1009,1055,1101,1149,1197,1247, 1297,1349,1401,1455,1509,1565,1621,1679,1737,1797]