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A111667 Abundance of admirable numbers. 3
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 6 06:19 EST 2022. Contains 358595 sequences. (Running on oeis4.)