A327026 - cp's OEIS frontend

A327026 a(n) = (1/n) Sum_{k=0..n} Sum_{d|n} phi(d) A241171(n/d, k) for n >= 1, a(0) = 1.

n	a(n)
0	1
1	1
2	4
3	41
4	979
5	40549
6	2571724
7	231313681
8	28007660854
9	4392400716381
10	866132386622878
11	209744116289535001
12	61192264076350570149
13	21169177815206345045941
14	8568352429497412897973944
15	4011525608882608159230362521
16	2151041235686896366408288920529

[1, 1, 4, 41, 979, 40549, 2571724, 231313681, 28007660854, 4392400716381, 866132386622878, 209744116289535001, 61192264076350570149, 21169177815206345045941, 8568352429497412897973944, 4011525608882608159230362521, 2151041235686896366408288920529]

cp's OEIS Frontend

A327026 a(n) = (1/n) Sum_{k=0..n} Sum_{d|n} phi(d) A241171(n/d, k) for n >= 1, a(0) = 1.

Table of values

List of values