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A030052 Smallest number whose n-th power is a sum of distinct smaller n-th powers. 1
3, 5, 6, 15, 12, 25, 40, 84, 47, 63, 68, 81, 102, 95, 104 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

Various authors, How each power is decomposed

Eric Weisstein's World of Mathematics, Diophantine Equation.

EXAMPLE

3^1 = 2^1 + 1^1. For more examples, see the link.

CROSSREFS

Sequence in context: A290964 A298563 A180694 * A227963 A099678 A287687

Adjacent sequences:  A030049 A030050 A030051 * A030053 A030054 A030055

KEYWORD

nonn,nice

AUTHOR

Richard C. Schroeppel

EXTENSIONS

n = 8 through 10 terms found by David W. Wilson

a(11) from Al Zimmermann, Apr 07 2004

a(12) from Al Zimmermann, Apr 13 2004

a(13) from Manol Iliev, Jan 04 2010

a(14) and a(15) from Manol Iliev, Apr 28 2011

STATUS

approved

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Last modified January 15 19:04 EST 2019. Contains 319170 sequences. (Running on oeis4.)