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A045701 Number of ways n can be written as a sum of a square of a prime and a cube of a prime. 5
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000

EXAMPLE

a(12) = 1 because 12=2^2+2^3; a(17) = 1 because 17=2^3+3^2.

a(129) = 2 because 129 = 2^3+11^2 = 2^2+5^3.

CROSSREFS

Cf. A045699, A045700, A196752, A196753.

Sequence in context: A107846 A179801 A065202 * A193095 A011725 A037808

Adjacent sequences:  A045698 A045699 A045700 * A045702 A045703 A045704

KEYWORD

easy,nonn

AUTHOR

Felice Russo (frusso(AT)micron.com)

EXTENSIONS

More terms from Erich Friedman (erich.friedman(AT)stetson.edu).

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Last modified February 15 08:12 EST 2012. Contains 205724 sequences.