

A099380


The imaginary part of n', the arithmetic derivative for Gaussian integers.


7



0, 0, 2, 0, 8, 3, 6, 0, 24, 0, 16, 0, 24, 5, 14, 9, 64, 5, 18, 0, 52, 0, 22, 0, 72, 30, 36, 0, 56, 7, 48, 0, 160, 0, 44, 21, 72, 7, 38, 15, 144, 9, 42, 0, 88, 27, 46, 0, 192, 0, 110, 15, 124, 9, 54, 33, 168, 0, 72, 0, 156, 11, 62, 0, 384, 64, 66, 0, 156, 0, 112, 0, 216, 11, 88, 90, 152
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OFFSET

0,3


COMMENTS

a(n) is zero when n is 0, 1, or the product of Gaussian primes (A002145).


REFERENCES



LINKS



MATHEMATICA

(* see A099379 for the definition of the di function *) Im[Table[ di[n], {n, 0, 100}]]


CROSSREFS

Cf. A003415 (arithmetic derivative of n), A099379 (real part of the Gaussianinteger derivative of n).


KEYWORD

nice,nonn


AUTHOR



STATUS

approved



