A165568 - cp's OEIS frontend

A165568 a(n) = -1 - 2n + n^2 + 2n^3 + n^4.

n	a(n)
0	-1
1	1
2	31
3	137
4	391
5	889
6	1751
7	3121
8	5167
9	8081
10	12079
11	17401
12	24311
13	33097
14	44071
15	57569
16	73951
17	93601
18	116927
19	144361
20	176359
21	213401
22	255991
23	304657
24	359951
25	422449
26	492751
27	571481
28	659287
29	756841
30	864839
31	984001
32	1115071
33	1258817
34	1416031
35	1587529
36	1774151

[-1, 1, 31, 137, 391, 889, 1751, 3121, 5167, 8081, 12079, 17401, 24311, 33097, 44071, 57569, 73951, 93601, 116927, 144361, 176359, 213401, 255991, 304657, 359951, 422449, 492751, 571481, 659287, 756841, 864839, 984001, 1115071, 1258817, 1416031, 1587529, 1774151]

cp's OEIS Frontend

A165568 a(n) = -1 - 2n + n^2 + 2n^3 + n^4.

Table of values

List of values

cp's OEIS Frontend

A165568 a(n) = -1 - 2*n + n^2 + 2*n^3 + n^4.

Table of values

List of values

A165568 a(n) = -1 - 2n + n^2 + 2n^3 + n^4.