A022270 - cp's OEIS frontend

A022270 a(n) = n(13n - 1)/2.

n	a(n)
0	0
1	6
2	25
3	57
4	102
5	160
6	231
7	315
8	412
9	522
10	645
11	781
12	930
13	1092
14	1267
15	1455
16	1656
17	1870
18	2097
19	2337
20	2590
21	2856
22	3135
23	3427
24	3732
25	4050
26	4381
27	4725
28	5082
29	5452
30	5835
31	6231
32	6640
33	7062
34	7497
35	7945
36	8406
37	8880
38	9367
39	9867
40	10380
41	10906
42	11445

[0, 6, 25, 57, 102, 160, 231, 315, 412, 522, 645, 781, 930, 1092, 1267, 1455, 1656, 1870, 2097, 2337, 2590, 2856, 3135, 3427, 3732, 4050, 4381, 4725, 5082, 5452, 5835, 6231, 6640, 7062, 7497, 7945, 8406, 8880, 9367, 9867, 10380, 10906, 11445]

cp's OEIS Frontend

A022270 a(n) = n(13n - 1)/2.

Table of values

List of values

cp's OEIS Frontend

A022270 a(n) = n*(13*n - 1)/2.

Table of values

List of values

A022270 a(n) = n(13n - 1)/2.