A168547 - cp's OEIS frontend

A168547 a(n) = 1 - 2n^2 + 4n(1 + 2n^2)/3.

n	a(n)
0	1
1	3
2	17
3	59
4	145
5	291
6	513
7	827
8	1249
9	1795
10	2481
11	3323
12	4337
13	5539
14	6945
15	8571
16	10433
17	12547
18	14929
19	17595
20	20561
21	23843
22	27457
23	31419
24	35745
25	40451
26	45553
27	51067
28	57009
29	63395
30	70241
31	77563
32	85377
33	93699
34	102545
35	111931
36	121873
37	132387
38	143489
39	155195

[1, 3, 17, 59, 145, 291, 513, 827, 1249, 1795, 2481, 3323, 4337, 5539, 6945, 8571, 10433, 12547, 14929, 17595, 20561, 23843, 27457, 31419, 35745, 40451, 45553, 51067, 57009, 63395, 70241, 77563, 85377, 93699, 102545, 111931, 121873, 132387, 143489, 155195]

cp's OEIS Frontend

A168547 a(n) = 1 - 2n^2 + 4n(1 + 2n^2)/3.

Table of values

List of values

cp's OEIS Frontend

A168547 a(n) = 1 - 2*n^2 + 4*n*(1 + 2*n^2)/3.

Table of values

List of values

A168547 a(n) = 1 - 2n^2 + 4n(1 + 2n^2)/3.