A143208 - cp's OEIS frontend

A143208 a(1)=2; for n>1, a(n) = (4-9n+3n^2)/2.

n	a(n)
1	2
2	-1
3	2
4	8
5	17
6	29
7	44
8	62
9	83
10	107
11	134
12	164
13	197
14	233
15	272
16	314
17	359
18	407
19	458
20	512
21	569
22	629
23	692
24	758
25	827
26	899
27	974
28	1052
29	1133
30	1217
31	1304
32	1394
33	1487
34	1583
35	1682
36	1784
37	1889
38	1997
39	2108
40	2222
41	2339
42	2459
43	2582
44	2708
45	2837
46	2969
47	3104
48	3242
49	3383
50	3527
51	3674

[2, -1, 2, 8, 17, 29, 44, 62, 83, 107, 134, 164, 197, 233, 272, 314, 359, 407, 458, 512, 569, 629, 692, 758, 827, 899, 974, 1052, 1133, 1217, 1304, 1394, 1487, 1583, 1682, 1784, 1889, 1997, 2108, 2222, 2339, 2459, 2582, 2708, 2837, 2969, 3104, 3242, 3383, 3527, 3674]

cp's OEIS Frontend

A143208 a(1)=2; for n>1, a(n) = (4-9n+3n^2)/2.

Table of values

List of values

cp's OEIS Frontend

A143208 a(1)=2; for n>1, a(n) = (4-9*n+3*n^2)/2.

Table of values

List of values

A143208 a(1)=2; for n>1, a(n) = (4-9n+3n^2)/2.