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Search: id:A069737
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A069737 Integer quotient defining A068418 is 3. +0
3
1320, 3696, 5520, 13800, 19872, 22560, 23688, 87000, 89964, 366720, 785808, 1235052, 1470720, 8690112, 45986616, 46862592, 78584640, 142588224, 231718968, 235668528, 377425920 (list; graph; listen)
OFFSET

1,1

FORMULA

(Sum of proper divisors[m])/cototient[m]=3, where m is a term of A068418.

EXAMPLE

40th term in A068418 is m=142588224, sum-of-proper-divisors[m]=294860736, cototient[m]=98286912, quotient=3=294860736/98286912,

CROSSREFS

Cf. A068418, A068414, A069714.

Sequence in context: A066663 A067206 A157266 this_sequence A161586 A013641 A092088

Adjacent sequences: A069734 A069735 A069736 this_sequence A069738 A069739 A069740

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 05 2002

EXTENSIONS

More terms from Labos E. (labos(AT)ana.sote.hu), Apr 22 2002

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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