A348301 - cp's OEIS frontend

A348301 a(n) is the difference between the numerator and denominator of the (reduced) fraction Sum_{i = 1..n} 1/prime(i).

n	a(n)
1	-1
2	-1
3	1
4	37
5	617
6	10331
7	205657
8	4417993
9	111313529
10	3451185211
11	113456434771
12	4398448576657
13	187757129777747
14	8377806843970331
15	406839682998275587
16	22177392981497097521
17	1341055344385518798469
18	83727136357670859345679
19	5727006517323354547143763

[-1, -1, 1, 37, 617, 10331, 205657, 4417993, 111313529, 3451185211, 113456434771, 4398448576657, 187757129777747, 8377806843970331, 406839682998275587, 22177392981497097521, 1341055344385518798469, 83727136357670859345679, 5727006517323354547143763]

cp's OEIS Frontend

A348301 a(n) is the difference between the numerator and denominator of the (reduced) fraction Sum_{i = 1..n} 1/prime(i).

Table of values

List of values