A238410 - cp's OEIS frontend

A238410 a(n) = floor((3(n-1)^2 + 1)/2).

n	a(n)
1	0
2	2
3	6
4	14
5	24
6	38
7	54
8	74
9	96
10	122
11	150
12	182
13	216
14	254
15	294
16	338
17	384
18	434
19	486
20	542
21	600
22	662
23	726
24	794
25	864
26	938
27	1014
28	1094
29	1176
30	1262
31	1350
32	1442
33	1536
34	1634
35	1734
36	1838
37	1944
38	2054
39	2166
40	2282
41	2400
42	2522
43	2646
44	2774
45	2904
46	3038
47	3174
48	3314
49	3456
50	3602
51	3750
52	3902
53	4056
54	4214
55	4374
56	4538
57	4704

[0, 2, 6, 14, 24, 38, 54, 74, 96, 122, 150, 182, 216, 254, 294, 338, 384, 434, 486, 542, 600, 662, 726, 794, 864, 938, 1014, 1094, 1176, 1262, 1350, 1442, 1536, 1634, 1734, 1838, 1944, 2054, 2166, 2282, 2400, 2522, 2646, 2774, 2904, 3038, 3174, 3314, 3456, 3602, 3750, 3902, 4056, 4214, 4374, 4538, 4704]

cp's OEIS Frontend

A238410 a(n) = floor((3(n-1)^2 + 1)/2).

Table of values

List of values