A063490 - cp's OEIS frontend

A063490 a(n) = (2n - 1)(7n^2 - 7n + 6)/6.

n	a(n)
1	1
2	10
3	40
4	105
5	219
6	396
7	650
8	995
9	1445
10	2014
11	2716
12	3565
13	4575
14	5760
15	7134
16	8711
17	10505
18	12530
19	14800
20	17329
21	20131
22	23220
23	26610
24	30315
25	34349
26	38726
27	43460
28	48565
29	54055
30	59944
31	66246
32	72975
33	80145
34	87770
35	95864
36	104441
37	113515
38	123100
39	133210
40	143859
41	155061

[1, 10, 40, 105, 219, 396, 650, 995, 1445, 2014, 2716, 3565, 4575, 5760, 7134, 8711, 10505, 12530, 14800, 17329, 20131, 23220, 26610, 30315, 34349, 38726, 43460, 48565, 54055, 59944, 66246, 72975, 80145, 87770, 95864, 104441, 113515, 123100, 133210, 143859, 155061]

cp's OEIS Frontend

A063490 a(n) = (2n - 1)(7n^2 - 7n + 6)/6.

Table of values

List of values

cp's OEIS Frontend

A063490 a(n) = (2*n - 1)*(7*n^2 - 7*n + 6)/6.

Table of values

List of values

A063490 a(n) = (2n - 1)(7n^2 - 7n + 6)/6.