A007590 - cp's OEIS frontend

A007590 a(n) = floor(n^2/2).

n	a(n)
0	0
1	0
2	2
3	4
4	8
5	12
6	18
7	24
8	32
9	40
10	50
11	60
12	72
13	84
14	98
15	112
16	128
17	144
18	162
19	180
20	200
21	220
22	242
23	264
24	288
25	312
26	338
27	364
28	392
29	420
30	450
31	480
32	512
33	544
34	578
35	612
36	648
37	684
38	722
39	760
40	800
41	840
42	882
43	924
44	968
45	1012
46	1058
47	1104
48	1152
49	1200
50	1250
51	1300
52	1352
53	1404

[0, 0, 2, 4, 8, 12, 18, 24, 32, 40, 50, 60, 72, 84, 98, 112, 128, 144, 162, 180, 200, 220, 242, 264, 288, 312, 338, 364, 392, 420, 450, 480, 512, 544, 578, 612, 648, 684, 722, 760, 800, 840, 882, 924, 968, 1012, 1058, 1104, 1152, 1200, 1250, 1300, 1352, 1404]

cp's OEIS Frontend

A007590 a(n) = floor(n^2/2).

Table of values

List of values