A000982 - cp's OEIS frontend

A000982 a(n) = ceiling(n^2/2).

n	a(n)
0	0
1	1
2	2
3	5
4	8
5	13
6	18
7	25
8	32
9	41
10	50
11	61
12	72
13	85
14	98
15	113
16	128
17	145
18	162
19	181
20	200
21	221
22	242
23	265
24	288
25	313
26	338
27	365
28	392
29	421
30	450
31	481
32	512
33	545
34	578
35	613
36	648
37	685
38	722
39	761
40	800
41	841
42	882
43	925
44	968
45	1013
46	1058
47	1105
48	1152
49	1201
50	1250
51	1301
52	1352
53	1405

[0, 1, 2, 5, 8, 13, 18, 25, 32, 41, 50, 61, 72, 85, 98, 113, 128, 145, 162, 181, 200, 221, 242, 265, 288, 313, 338, 365, 392, 421, 450, 481, 512, 545, 578, 613, 648, 685, 722, 761, 800, 841, 882, 925, 968, 1013, 1058, 1105, 1152, 1201, 1250, 1301, 1352, 1405]

cp's OEIS Frontend

A000982 a(n) = ceiling(n^2/2).

Table of values

List of values