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A192134 Difference between n-th prime power and its arithmetic derivative. 6
1, 1, 2, 0, 4, 6, -4, 3, 10, 12, -16, 16, 18, 22, 15, 0, 28, 30, -48, 36, 40, 42, 46, 35, 52, 58, 60, -128, 66, 70, 72, 78, -27, 82, 88, 96, 100, 102, 106, 108, 112, 99, 50, 126, -320, 130, 136, 138, 148, 150, 156, 162, 166, 143, 172, 178, 180, 190, 192, 196 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(n) = A000961(n)-A192015(n) = A000961(n)-A003415(A000961(n)) = A192133(n)*A025473(n)^(A025474(n)-1) = A192133(n)*A000961(n)/A025473(n);

a(A095874(A000040(n))) = A006093(n);

a(A095874(A001248(n))) = A005722(n) + 1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a192134 n = a000961 n - a192015 n  -- Reinhard Zumkeller, Apr 16 2014

CROSSREFS

Sequence in context: A192133 A244109 A133144 * A322402 A196877 A098123

Adjacent sequences:  A192131 A192132 A192133 * A192135 A192136 A192137

KEYWORD

sign

AUTHOR

Reinhard Zumkeller, Jun 26 2011

STATUS

approved

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Last modified November 20 05:07 EST 2019. Contains 329323 sequences. (Running on oeis4.)