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A111646 Subtracted divisor in admirable numbers. 2
2, 1, 6, 6, 5, 6, 6, 4, 6, 2, 6, 28, 2, 6, 1, 6, 60, 6, 28, 6, 6, 6, 28, 39, 6, 6, 90, 6, 28, 6, 6, 28, 6, 4, 6, 6, 6, 1, 6, 28, 6, 28, 6, 6, 6, 6, 6, 28, 1, 6, 336, 6, 6, 6, 28, 6, 6, 4, 28, 6, 6, 6, 15, 6, 16, 6, 28, 6, 6, 6, 6, 28, 6, 6, 6, 28, 6, 28, 6, 6, 28, 6, 6, 6, 6, 28, 496, 8, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) = A033880(A111592(n))/2 = A111667(n)/2. - Amiram Eldar, Jun 22 2019

EXAMPLE

a(1)=2 because 12 = 1+3+4+6-2, the 2 is subtracted. a(6)=6 because 42 = 1+2+3+7+14+21-6, the 6 is subtracted.

CROSSREFS

Cf. A033880, A111592, A111667.

Sequence in context: A193561 A328349 A117965 * A342965 A117753 A145883

Adjacent sequences:  A111643 A111644 A111645 * A111647 A111648 A111649

KEYWORD

easy,nonn

AUTHOR

Jason Earls, Aug 10 2005

STATUS

approved

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Last modified June 18 11:39 EDT 2021. Contains 345098 sequences. (Running on oeis4.)