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A114377 Perfect powers equal to the sum of three factorial numbers. 10
4, 8, 9, 27, 32, 36, 49, 128, 841, 5184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(11), if it exists, is larger than 10^100.

a(11), if it exists, is larger than 1024!. - Filip Zaludek, Sep 08 2018

LINKS

Table of n, a(n) for n=1..10.

Giovanni Resta, Decompositions for a(1)-a(10)

EXAMPLE

a(1) = 4 because 4 = 1! + 1! + 2!;

a(2) = 8 because 8 = 1! + 1! + 3!;

a(3) = 9 because 9 = 1! + 2! + 3!.

CROSSREFS

Cf. A082875, A227644-A227651,

Sequence in context: A168363 A182046 A171468 * A115697 A075783 A098121

Adjacent sequences:  A114374 A114375 A114376 * A114378 A114379 A114380

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Feb 10 2006

EXTENSIONS

Offset corrected by Arkadiusz Wesolowski, Mar 06 2013

Example corrected by and a(9)-a(10) from Giovanni Resta, Jul 19 2013

STATUS

approved

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Last modified July 17 15:19 EDT 2019. Contains 325106 sequences. (Running on oeis4.)