A115519 - cp's OEIS frontend

A115519 n(1+3n+6*n^2)/2.

n	a(n)
0	0
1	5
2	31
3	96
4	218
5	415
6	705
7	1106
8	1636
9	2313
10	3155
11	4180
12	5406
13	6851
14	8533
15	10470
16	12680
17	15181
18	17991
19	21128
20	24610
21	28455
22	32681
23	37306
24	42348
25	47825
26	53755
27	60156
28	67046
29	74443
30	82365
31	90830
32	99856
33	109461
34	119663
35	130480
36	141930
37	154031
38	166801
39	180258

[0, 5, 31, 96, 218, 415, 705, 1106, 1636, 2313, 3155, 4180, 5406, 6851, 8533, 10470, 12680, 15181, 17991, 21128, 24610, 28455, 32681, 37306, 42348, 47825, 53755, 60156, 67046, 74443, 82365, 90830, 99856, 109461, 119663, 130480, 141930, 154031, 166801, 180258]

cp's OEIS Frontend

A115519 n(1+3n+6*n^2)/2.

Table of values

List of values

cp's OEIS Frontend

A115519 n*(1+3*n+6*n^2)/2.

Table of values

List of values

A115519 n(1+3n+6*n^2)/2.