A177100 - cp's OEIS frontend

A177100 Partial sums of round(n^2/9).

n	a(n)
0	0
1	0
2	0
3	1
4	3
5	6
6	10
7	15
8	22
9	31
10	42
11	55
12	71
13	90
14	112
15	137
16	165
17	197
18	233
19	273
20	317
21	366
22	420
23	479
24	543
25	612
26	687
27	768
28	855
29	948
30	1048
31	1155
32	1269
33	1390
34	1518
35	1654
36	1798
37	1950
38	2110
39	2279
40	2457
41	2644
42	2840
43	3045
44	3260
45	3485
46	3720
47	3965
48	4221
49	4488
50	4766

[0, 0, 0, 1, 3, 6, 10, 15, 22, 31, 42, 55, 71, 90, 112, 137, 165, 197, 233, 273, 317, 366, 420, 479, 543, 612, 687, 768, 855, 948, 1048, 1155, 1269, 1390, 1518, 1654, 1798, 1950, 2110, 2279, 2457, 2644, 2840, 3045, 3260, 3485, 3720, 3965, 4221, 4488, 4766]

cp's OEIS Frontend

A177100 Partial sums of round(n^2/9).

Table of values

List of values