A125200 - cp's OEIS frontend

A125200 a(n) = n(4n^2 + n - 1)/2.

n	a(n)
1	2
2	17
3	57
4	134
5	260
6	447
7	707
8	1052
9	1494
10	2045
11	2717
12	3522
13	4472
14	5579
15	6855
16	8312
17	9962
18	11817
19	13889
20	16190
21	18732
22	21527
23	24587
24	27924
25	31550
26	35477
27	39717
28	44282
29	49184
30	54435
31	60047
32	66032
33	72402
34	79169
35	86345
36	93942
37	101972
38	110447
39	119379

[2, 17, 57, 134, 260, 447, 707, 1052, 1494, 2045, 2717, 3522, 4472, 5579, 6855, 8312, 9962, 11817, 13889, 16190, 18732, 21527, 24587, 27924, 31550, 35477, 39717, 44282, 49184, 54435, 60047, 66032, 72402, 79169, 86345, 93942, 101972, 110447, 119379]

cp's OEIS Frontend

A125200 a(n) = n(4n^2 + n - 1)/2.

Table of values

List of values

cp's OEIS Frontend

A125200 a(n) = n*(4*n^2 + n - 1)/2.

Table of values

List of values

A125200 a(n) = n(4n^2 + n - 1)/2.