A145018 - cp's OEIS frontend

A145018 a(n) = (n^2 - n + 8)/2.

n	a(n)
1	4
2	5
3	7
4	10
5	14
6	19
7	25
8	32
9	40
10	49
11	59
12	70
13	82
14	95
15	109
16	124
17	140
18	157
19	175
20	194
21	214
22	235
23	257
24	280
25	304
26	329
27	355
28	382
29	410
30	439
31	469
32	500
33	532
34	565
35	599
36	634
37	670
38	707
39	745
40	784
41	824
42	865
43	907
44	950
45	994
46	1039
47	1085
48	1132
49	1180
50	1229
51	1279
52	1330
53	1382
54	1435

[4, 5, 7, 10, 14, 19, 25, 32, 40, 49, 59, 70, 82, 95, 109, 124, 140, 157, 175, 194, 214, 235, 257, 280, 304, 329, 355, 382, 410, 439, 469, 500, 532, 565, 599, 634, 670, 707, 745, 784, 824, 865, 907, 950, 994, 1039, 1085, 1132, 1180, 1229, 1279, 1330, 1382, 1435]

cp's OEIS Frontend

A145018 a(n) = (n^2 - n + 8)/2.

Table of values

List of values