A270815 - cp's OEIS frontend

A270815 Let M be the n-th Giuga number (see A007850); a(n) = sum of (M/p - 1)/p for primes p dividing M.

n	a(n)
1	11
2	321
3	657
4	24699
5	824438641
6	9331106993
7	165242994898683
8	5626813041698235
9	210318566007979643
10	90916134718317480897884289
11	206287562744685037912181145873
12	729990278282182004516138224533969

[11, 321, 657, 24699, 824438641, 9331106993, 165242994898683, 5626813041698235, 210318566007979643, 90916134718317480897884289, 206287562744685037912181145873, 729990278282182004516138224533969]

cp's OEIS Frontend

A270815 Let M be the n-th Giuga number (see A007850); a(n) = sum of (M/p - 1)/p for primes p dividing M.

Table of values

List of values