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A003503 The larger of a betrothed pair. +0
5
75, 195, 1925, 1648, 2295, 6128, 16587, 20735, 75495, 206504, 219975, 309135, 507759, 549219, 544784, 817479, 1057595, 1902215, 1331967, 1159095, 1763019, 1341495, 1348935, 1524831, 1459143, 2576945, 2226014, 2681019 (list; graph; listen)
OFFSET

1,1

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, B5.

P. Hagis and G. Lord, Quasi-amicable numbers, Math. Comp. 31 (1977), 608-611.

Computed by fredh(AT)ix.netcom.com (Fred W. Helenius ).

CROSSREFS

Cf. A003502, A005276.

Sequence in context: A044707 A044407 A044788 this_sequence A098230 A158742 A158765

Adjacent sequences: A003500 A003501 A003502 this_sequence A003504 A003505 A003506

KEYWORD

nonn,nice

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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