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A102925 Imaginary part of Gaussian amicable numbers in order of increasing magnitude. See A102924 for the real part. 1
1020, 2060, -1228, 1020, -2356, 2435, 467, -4988, -6187, -5471, 4275, -6133, -5251, 3960, -8280, 4606 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

s[z_Complex] := DivisorSigma[1, z]-z; nn=10000; lst={}; Do[d=a^2+b^2; If[d<nn^2, z=a+b*I; Do[If[s[s[z]]==z, AppendTo[lst, {d, z}]]; z=z*I, {4}]], {a, nn}, {b, nn}]; Im[Transpose[Sort[lst]][[2]]]

CROSSREFS

Sequence in context: A104444 A157510 A015160 * A024020 A069791 A167846

Adjacent sequences:  A102922 A102923 A102924 * A102926 A102927 A102928

KEYWORD

sign

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Jan 19 2005

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.