A135400 - cp's OEIS frontend

A135400 a(n) = (4n^4 - 4n^3 - n^2 + 3*n)/2.

n	a(n)
1	1
2	17
3	108
4	382
5	995
6	2151
7	4102
8	7148
9	11637
10	17965
11	26576
12	37962
13	52663
14	71267
15	94410
16	122776
17	157097
18	198153
19	246772
20	303830
21	370251
22	447007
23	535118
24	635652
25	749725
26	878501
27	1023192
28	1185058
29	1365407
30	1565595

[1, 17, 108, 382, 995, 2151, 4102, 7148, 11637, 17965, 26576, 37962, 52663, 71267, 94410, 122776, 157097, 198153, 246772, 303830, 370251, 447007, 535118, 635652, 749725, 878501, 1023192, 1185058, 1365407, 1565595]

cp's OEIS Frontend

A135400 a(n) = (4n^4 - 4n^3 - n^2 + 3*n)/2.

Table of values

List of values

cp's OEIS Frontend

A135400 a(n) = (4*n^4 - 4*n^3 - n^2 + 3*n)/2.

Table of values

List of values

A135400 a(n) = (4n^4 - 4n^3 - n^2 + 3*n)/2.