A215892 - cp's OEIS frontend

A215892 a(n) = 2^n - n^k, where k is the largest integer such that 2^n >= n^k.

n	a(n)
2	0
3	5
4	0
5	7
6	28
7	79
8	192
9	431
10	24
11	717
12	2368
13	5995
14	13640
15	29393
16	0
17	47551
18	157168
19	393967
20	888576
21	1902671
22	3960048
23	1952265
24	8814592
25	23788807
26	55227488
27	119868821
28	251225088
29	516359763
30	344741824
31	1259979967
32	3221225472
33	7298466623
34	15635064768

[0, 5, 0, 7, 28, 79, 192, 431, 24, 717, 2368, 5995, 13640, 29393, 0, 47551, 157168, 393967, 888576, 1902671, 3960048, 1952265, 8814592, 23788807, 55227488, 119868821, 251225088, 516359763, 344741824, 1259979967, 3221225472, 7298466623, 15635064768]

cp's OEIS Frontend

A215892 a(n) = 2^n - n^k, where k is the largest integer such that 2^n >= n^k.

Table of values

List of values