A295077 - cp's OEIS frontend

A295077 a(n) = 2n(n-1) + 2^n - 1.

n	a(n)
0	0
1	1
2	7
3	19
4	39
5	71
6	123
7	211
8	367
9	655
10	1203
11	2267
12	4359
13	8503
14	16747
15	33187
16	66015
17	131615
18	262755
19	524971
20	1049335
21	2097991
22	4195227
23	8389619
24	16778319
25	33555631
26	67110163
27	134219131
28	268436967
29	536872535
30	1073743563
31	2147485507

[0, 1, 7, 19, 39, 71, 123, 211, 367, 655, 1203, 2267, 4359, 8503, 16747, 33187, 66015, 131615, 262755, 524971, 1049335, 2097991, 4195227, 8389619, 16778319, 33555631, 67110163, 134219131, 268436967, 536872535, 1073743563, 2147485507]

cp's OEIS Frontend

A295077 a(n) = 2n(n-1) + 2^n - 1.

Table of values

List of values

cp's OEIS Frontend

A295077 a(n) = 2*n*(n-1) + 2^n - 1.

Table of values

List of values

A295077 a(n) = 2n(n-1) + 2^n - 1.