A057791 - cp's OEIS frontend

A057791 Sum[k^(n-k)], where sum is over positive integers, k, where k <= n and gcd(k,n) = 1.

n	a(n)
1	1
2	1
3	3
4	4
5	22
6	6
7	209
8	376
9	1835
10	2540
11	49863
12	94944
13	1151914
14	2190666
15	12079274
16	95722288
17	1150653920
18	3217888350
19	47454745803
20	130819911320
21	846278385786
22	8064305838350
23	126356632390297
24	288019285668096
25	6861189820377586
26	32739025597541220
27	377062456413683219

[1, 1, 3, 4, 22, 6, 209, 376, 1835, 2540, 49863, 94944, 1151914, 2190666, 12079274, 95722288, 1150653920, 3217888350, 47454745803, 130819911320, 846278385786, 8064305838350, 126356632390297, 288019285668096, 6861189820377586, 32739025597541220, 377062456413683219]

cp's OEIS Frontend

A057791 Sum[k^(n-k)], where sum is over positive integers, k, where k <= n and gcd(k,n) = 1.

Table of values

List of values