A048748 Mean integral divisors associated with A048747.

3, 6, 7, 8, 9, 10, 12, 15, 14, 13, 18, 19, 20, 24, 21, 27, 33, 30, 28, 32, 36, 26, 38, 35, 45, 42, 39, 44, 40, 51, 48, 54, 31, 60, 49, 63, 61, 62, 57, 56, 68, 78, 52, 72, 81, 66, 64, 74, 70, 80, 84, 96, 76, 65, 99, 90, 105, 98, 88, 114, 102, 93, 104, 108, 123, 110, 126, 100

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Formula

a(n) = A000203(A048747(n))/A000005(A048747(n)). - Amiram Eldar, Sep 06 2019

Example

For a(3)=7, n=20 and sum of divisors of 20 is 42, number of divisors is 6, so integral quotient is 7 (42/6).

Crossrefs

Cf. A000005, A000203, A048747.

Sequence in context: A081391 A296484 A073850 * A030781 A073417 A299493

Adjacent sequences: A048745 A048746 A048747 * A048749 A048750 A048751

Keyword

easy,nonn

Author

Enoch Haga

Extensions

Offset corrected by Amiram Eldar, Sep 06 2019

Status

approved