A226488 - cp's OEIS frontend

A226488 a(n) = n(13n - 9)/2.

n	a(n)
0	0
1	2
2	17
3	45
4	86
5	140
6	207
7	287
8	380
9	486
10	605
11	737
12	882
13	1040
14	1211
15	1395
16	1592
17	1802
18	2025
19	2261
20	2510
21	2772
22	3047
23	3335
24	3636
25	3950
26	4277
27	4617
28	4970
29	5336
30	5715
31	6107
32	6512
33	6930
34	7361
35	7805
36	8262
37	8732
38	9215
39	9711
40	10220
41	10742
42	11277
43	11825
44	12386
45	12960

[0, 2, 17, 45, 86, 140, 207, 287, 380, 486, 605, 737, 882, 1040, 1211, 1395, 1592, 1802, 2025, 2261, 2510, 2772, 3047, 3335, 3636, 3950, 4277, 4617, 4970, 5336, 5715, 6107, 6512, 6930, 7361, 7805, 8262, 8732, 9215, 9711, 10220, 10742, 11277, 11825, 12386, 12960]

cp's OEIS Frontend

A226488 a(n) = n(13n - 9)/2.

Table of values

List of values

cp's OEIS Frontend

A226488 a(n) = n*(13*n - 9)/2.

Table of values

List of values

A226488 a(n) = n(13n - 9)/2.