A321123 - cp's OEIS frontend

A321123 a(n) = 2^n + 2n^2 + 2n + 1.

n	a(n)
0	2
1	7
2	17
3	33
4	57
5	93
6	149
7	241
8	401
9	693
10	1245
11	2313
12	4409
13	8557
14	16805
15	33249
16	66081
17	131685
18	262829
19	525049
20	1049417
21	2098077
22	4195317
23	8389713
24	16778417
25	33555733
26	67110269
27	134219241
28	268437081
29	536872653
30	1073743685
31	2147485633
32	4294969409
33	8589936837

[2, 7, 17, 33, 57, 93, 149, 241, 401, 693, 1245, 2313, 4409, 8557, 16805, 33249, 66081, 131685, 262829, 525049, 1049417, 2098077, 4195317, 8389713, 16778417, 33555733, 67110269, 134219241, 268437081, 536872653, 1073743685, 2147485633, 4294969409, 8589936837]

cp's OEIS Frontend

A321123 a(n) = 2^n + 2n^2 + 2n + 1.

Table of values

List of values

cp's OEIS Frontend

A321123 a(n) = 2^n + 2*n^2 + 2*n + 1.

Table of values

List of values

A321123 a(n) = 2^n + 2n^2 + 2n + 1.