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A045759 Maris-McGwire numbers: f(n)=f(n+1), where f(n) = sum of digits of n + sum of digits of prime factors of n (including multiplicities). 2
7, 14, 43, 50, 61, 63, 67, 80, 84, 118, 122, 134, 137, 163, 196, 212, 213, 224, 241, 273, 274, 277, 279, 283, 351, 352, 373, 375, 390, 398, 421, 457, 462, 474, 475, 489, 495, 510, 516, 523, 526, 537, 547, 555, 558, 577, 584, 590, 592, 616, 638, 644, 660, 673, 687, 691 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..55.

More information

EXAMPLE

(61,62) is such a pair, hence the name.

Corrected and extended by David W. Wilson

CROSSREFS

Cf. Ruth-Aaron numbers A006145, A039945.

Sequence in context: A189046 A098328 A062098 * A166637 A237686 A170918

Adjacent sequences:  A045756 A045757 A045758 * A045760 A045761 A045762

KEYWORD

nonn,base

AUTHOR

Mike Keith (domnei(AT)aol.com)

STATUS

approved

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Last modified December 9 00:45 EST 2016. Contains 278959 sequences.