A309968 - cp's OEIS frontend

A309968 Numbers n > 1 that give record values for f(n) = sigma(n)/n - e^gamma * log(log(ed(n))) - e^gamma log(log(log(e^e * d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

n	a(n)
1	2
2	74801040398884800
3	224403121196654400
4	3066842656354276800
5	6133685312708553600
6	9200527969062830400
7	18401055938125660800
8	131874234223233902400
9	263748468446467804800
10	395622702669701707200
11	791245405339403414400
12	6198089008491993412800
13	12396178016983986825600

[2, 74801040398884800, 224403121196654400, 3066842656354276800, 6133685312708553600, 9200527969062830400, 18401055938125660800, 131874234223233902400, 263748468446467804800, 395622702669701707200, 791245405339403414400, 6198089008491993412800, 12396178016983986825600]

cp's OEIS Frontend

A309968 Numbers n > 1 that give record values for f(n) = sigma(n)/n - e^gamma * log(log(ed(n))) - e^gamma log(log(log(e^e * d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

Table of values

List of values

cp's OEIS Frontend

A309968 Numbers n > 1 that give record values for f(n) = sigma(n)/n - e^gamma * log(log(e*d(n))) - e^gamma * log(log(log(e^e * d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

Table of values

List of values

A309968 Numbers n > 1 that give record values for f(n) = sigma(n)/n - e^gamma * log(log(ed(n))) - e^gamma log(log(log(e^e * d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).