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A069719
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Integer quotients arising in A068418: sum of proper divisors is divided by cototient of terms of A068418.
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1
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2, 2, 2, 2, 3, 2, 2, 2, 3, 3, 3, 2, 3, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 4, 2, 3, 2, 2, 3, 4, 2, 2, 3, 3, 3, 2, 2, 3, 4, 3, 2, 3, 3, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 4, 2, 3, 3, 2, 2, 2, 4, 2, 2, 2, 3, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| a(n)=A001065[A068418(n)]-A051953[A068418(n)]
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EXAMPLE
| n=39:m=A068418(39)=130141440, sigma[m]-m=405550080, m-Phi[m]=101387520,quotient=4=a(39)
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CROSSREFS
| Cf. A068418, A001065, A000203, A051953, A068414, A069714, A069737.
Sequence in context: A136164 A182860 A033947 * A074592 A089993 A047931
Adjacent sequences: A069716 A069717 A069718 * A069720 A069721 A069722
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Apr 05 2002
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EXTENSIONS
| a(47)-a(68) from Donovan Johnson (donovan.johnson(AT)yahoo.com), May 27 2011
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