A302709 - cp's OEIS frontend

A302709 a(n) = Trinomial(2n+1, 4) = (1/6)n*(2n + 1)(2n^2 + 9n + 1), n >= 0.

n	a(n)
0	0
1	6
2	45
3	161
4	414
5	880
6	1651
7	2835
8	4556
9	6954
10	10185
11	14421
12	19850
13	26676
14	35119
15	45415
16	57816
17	72590
18	90021
19	110409
20	134070
21	161336
22	192555
23	228091
24	268324
25	313650
26	364481
27	421245
28	484386
29	554364
30	631655
31	716751
32	810160
33	912406
34	1024029
35	1145585
36	1277646
37	1420800
38	1575651
39	1742819
40	1922940

[0, 6, 45, 161, 414, 880, 1651, 2835, 4556, 6954, 10185, 14421, 19850, 26676, 35119, 45415, 57816, 72590, 90021, 110409, 134070, 161336, 192555, 228091, 268324, 313650, 364481, 421245, 484386, 554364, 631655, 716751, 810160, 912406, 1024029, 1145585, 1277646, 1420800, 1575651, 1742819, 1922940]

cp's OEIS Frontend

A302709 a(n) = Trinomial(2n+1, 4) = (1/6)n*(2n + 1)(2n^2 + 9n + 1), n >= 0.

Table of values

List of values

cp's OEIS Frontend

A302709 a(n) = Trinomial(2*n+1, 4) = (1/6)*n*(2*n + 1)*(2*n^2 + 9*n + 1), n >= 0.

Table of values

List of values

A302709 a(n) = Trinomial(2n+1, 4) = (1/6)n*(2n + 1)(2n^2 + 9n + 1), n >= 0.