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A163390 Numbers n such that n^3 can be represented as sum of (at least two) consecutive squares. +0
1
47, 65, 921, 2161, 2820 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)= (A136312(n))^(1/3). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 02 2009]

EXAMPLE

a(1) = 47 as 47^3 = 103823 = 22^2 + 23^2 + 24 ^2 + ... + 68^2

CROSSREFS

Sequence in context: A043958 A099591 A046048 this_sequence A023303 A106874 A023331

Adjacent sequences: A163387 A163388 A163389 this_sequence A163391 A163392 A163393

KEYWORD

nonn

AUTHOR

Gaurav Kumar (gaurav.kumar.cse06(AT)itbhu.ac.in), Jul 26 2009

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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