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A068537 Numbers which can be written as the sum of 2 like powers (x^n + y^n; n>1 & x,y>0). 0
2, 5, 8, 9, 10, 13, 16, 17, 18, 20, 25, 26, 28, 29, 32, 33, 34, 35, 37, 40, 41, 45, 50, 52, 53, 54, 58, 61, 64, 65, 68, 72, 73, 74, 80, 82, 85, 89, 90, 91, 97, 98, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

EXAMPLE

2 = 1^2 + 1^2; 5 = 1^2 + 2^2; 8 = 2^2 + 2^2; 9 = 1^3 + 2^3; 10 = 1^2 + 3^2; 13 = 2^2 + 3^2; 16 = 2^3 + 2^3; 17 = 1^2 + 4^2; ..... 33 = 1^5 + 2^5; etc...

CROSSREFS

Superset of A000404, A003325, A003336, A003347, A003358, A003369, A003380, A003391.

Sequence in context: A070049 A085254 A274035 * A047620 A283205 A322916

Adjacent sequences:  A068534 A068535 A068536 * A068538 A068539 A068540

KEYWORD

nonn

AUTHOR

Shawn Schafer (coolrelish(AT)hotmail.com), Mar 22 2002

EXTENSIONS

More terms from Michel Marcus, Aug 07 2013

STATUS

approved

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Last modified September 30 03:36 EDT 2020. Contains 337434 sequences. (Running on oeis4.)