A346375 - cp's OEIS frontend

A346375 a(n) = Sum_{k=0..n} (2^k + 2) * (2^k + 3) / 2.

n	a(n)
0	6
1	16
2	37
3	92
4	263
5	858
6	3069
7	11584
8	44995
9	177350
10	704201
11	2806476
12	11205327
13	44780242
14	179038933
15	715991768
16	2863639259
17	11453901534
18	45814295265
19	183254559460
20	733012994791
21	2932041493226
22	11728145001197
23	46912538061552
24	187650068359923
25	750600105667318
26	3002400087124729

[6, 16, 37, 92, 263, 858, 3069, 11584, 44995, 177350, 704201, 2806476, 11205327, 44780242, 179038933, 715991768, 2863639259, 11453901534, 45814295265, 183254559460, 733012994791, 2932041493226, 11728145001197, 46912538061552, 187650068359923, 750600105667318, 3002400087124729]

cp's OEIS Frontend

A346375 a(n) = Sum_{k=0..n} (2^k + 2) * (2^k + 3) / 2.

Table of values

List of values