A274398 - cp's OEIS frontend

A274398 Numerators of 1/2 + sum(chi(p)^(4n / (p-1))/p) where the sum is over primes p of the form 4k+1 such that p-1 divides 4n and the numbers chi(p) are given by A002172.

n	a(n)
1	1
2	13
3	-83
4	649
5	-59
6	2089
7	-7379
8	8829
9	-410479
10	84273
11	-4091
12	2032897
13	-867947
14	951417
15	-47224023
16	2228469
17	-262139
18	19669687769
19	-1048571
20	1461748549
21	-1500199283
22	746586657
23	-16777211
24	747004180629
25	-6777994779
26	7113541809
27	-13667368865299
28	29908738140693

[1, 13, -83, 649, -59, 2089, -7379, 8829, -410479, 84273, -4091, 2032897, -867947, 951417, -47224023, 2228469, -262139, 19669687769, -1048571, 1461748549, -1500199283, 746586657, -16777211, 747004180629, -6777994779, 7113541809, -13667368865299, 29908738140693]

cp's OEIS Frontend

A274398 Numerators of 1/2 + sum(chi(p)^(4n / (p-1))/p) where the sum is over primes p of the form 4k+1 such that p-1 divides 4n and the numbers chi(p) are given by A002172.

Table of values

List of values

cp's OEIS Frontend

A274398 Numerators of 1/2 + sum(chi(p)^(4*n / (p-1))/p) where the sum is over primes p of the form 4k+1 such that p-1 divides 4*n and the numbers chi(p) are given by A002172.

Table of values

List of values

A274398 Numerators of 1/2 + sum(chi(p)^(4n / (p-1))/p) where the sum is over primes p of the form 4k+1 such that p-1 divides 4n and the numbers chi(p) are given by A002172.