A033569 - cp's OEIS frontend

A033569 a(n) = (2n - 1)(3*n + 1).

n	a(n)
0	-1
1	4
2	21
3	50
4	91
5	144
6	209
7	286
8	375
9	476
10	589
11	714
12	851
13	1000
14	1161
15	1334
16	1519
17	1716
18	1925
19	2146
20	2379
21	2624
22	2881
23	3150
24	3431
25	3724
26	4029
27	4346
28	4675
29	5016
30	5369
31	5734
32	6111
33	6500
34	6901
35	7314
36	7739
37	8176
38	8625
39	9086
40	9559
41	10044
42	10541
43	11050
44	11571

[-1, 4, 21, 50, 91, 144, 209, 286, 375, 476, 589, 714, 851, 1000, 1161, 1334, 1519, 1716, 1925, 2146, 2379, 2624, 2881, 3150, 3431, 3724, 4029, 4346, 4675, 5016, 5369, 5734, 6111, 6500, 6901, 7314, 7739, 8176, 8625, 9086, 9559, 10044, 10541, 11050, 11571]

cp's OEIS Frontend

A033569 a(n) = (2n - 1)(3*n + 1).

Table of values

List of values

cp's OEIS Frontend

A033569 a(n) = (2*n - 1)*(3*n + 1).

Table of values

List of values

A033569 a(n) = (2n - 1)(3*n + 1).