

A030052


Smallest number whose nth power is a sum of distinct smaller nth powers.


1



3, 5, 6, 15, 12, 25, 40, 84, 47, 63, 68, 81, 102, 95, 104
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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



