A152948 - cp's OEIS frontend

A152948 a(n) = (n^2 - 3*n + 6)/2.

n	a(n)
1	2
2	2
3	3
4	5
5	8
6	12
7	17
8	23
9	30
10	38
11	47
12	57
13	68
14	80
15	93
16	107
17	122
18	138
19	155
20	173
21	192
22	212
23	233
24	255
25	278
26	302
27	327
28	353
29	380
30	408
31	437
32	467
33	498
34	530
35	563
36	597
37	632
38	668
39	705
40	743
41	782
42	822
43	863
44	905
45	948
46	992
47	1037
48	1083
49	1130
50	1178
51	1227
52	1277
53	1328
54	1380

[2, 2, 3, 5, 8, 12, 17, 23, 30, 38, 47, 57, 68, 80, 93, 107, 122, 138, 155, 173, 192, 212, 233, 255, 278, 302, 327, 353, 380, 408, 437, 467, 498, 530, 563, 597, 632, 668, 705, 743, 782, 822, 863, 905, 948, 992, 1037, 1083, 1130, 1178, 1227, 1277, 1328, 1380]

cp's OEIS Frontend

A152948 a(n) = (n^2 - 3*n + 6)/2.

Table of values

List of values