A111667 Abundance of admirable numbers.

4, 2, 12, 12, 10, 12, 12, 8, 12, 4, 12, 56, 4, 12, 2, 12, 120, 12, 56, 12, 12, 12, 56, 78, 12, 12, 180, 12, 56, 12, 12, 56, 12, 8, 12, 12, 12, 2, 12, 56, 12, 56, 12, 12, 12, 12, 12, 56, 2, 12, 672, 12, 12, 12, 56, 12, 12, 8, 56, 12, 12, 12, 30, 12, 32, 12, 56, 12, 12, 12, 12, 56

Offset

1,1

Links

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

Example

a(1)=4 because the first admirable number is 12 and sigma(12)-24 = 4.

Crossrefs

Cf. A033880, A111592.

Sequence in context: A167591 A227043 A143376 * A323825 A019239 A143944

Adjacent sequences: A111664 A111665 A111666 * A111668 A111669 A111670

Keyword

easy,nonn

Author

Jason Earls, Aug 14 2005

Status

approved