login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A227649 Perfect powers equal to the sum of 8 factorial numbers. 2
8, 9, 16, 25, 27, 32, 36, 49, 64, 81, 100, 125, 128, 144, 169, 196, 216, 225, 243, 256, 289, 343, 361, 400, 484, 512, 576, 729, 784, 841, 900, 961, 1000, 1089, 1521, 1600, 1849, 2304, 5041, 5184, 5776, 5832, 6724, 10201, 10816, 11881, 14400, 15129, 17424 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(101), if it exists, is larger than 10^100.

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..100 (terms < 10^100)

Giovanni Resta, Decompositions for a(1)-a(100)

EXAMPLE

10890000 = 3300^2 = 6! + 6! + 6! + 6! + 6! + 10! + 10! + 10!.

CROSSREFS

Cf. A114377, A227644-A227651.

Sequence in context: A143720 A231016 A169817 * A227648 A192636 A265731

Adjacent sequences:  A227646 A227647 A227648 * A227650 A227651 A227652

KEYWORD

nonn

AUTHOR

Giovanni Resta, Jul 19 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 15 16:13 EDT 2019. Contains 324142 sequences. (Running on oeis4.)