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A064272 Number of representations of n as the sum of a prime number and a nonzero square. +0
2
0, 1, 1, 0, 2, 1, 1, 1, 0, 2, 2, 0, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 0, 1, 3, 2, 1, 2, 0, 3, 2, 0, 2, 1, 0, 4, 2, 1, 2, 2, 1, 2, 2, 1, 3, 2, 1, 1, 2, 2, 2, 3, 1, 3, 2, 0, 2, 2, 0, 4, 2, 0, 2, 3, 2, 4, 2, 1, 2, 3, 1, 1, 3, 1, 4, 2, 1, 3, 1, 1, 5, 3, 0, 3, 3, 2, 2, 2, 0, 4, 2, 1, 3, 2, 1, 4, 1, 1, 2, 3, 2, 3, 4, 1 (list; graph; listen)
OFFSET

2,5

COMMENT

a(A064233(n))=0.

EXAMPLE

6=2+4=5+1, thus a(6)=2.

CROSSREFS

Cf. A064233.

Sequence in context: A117162 A135936 A109707 this_sequence A117479 A118404 A089339

Adjacent sequences: A064269 A064270 A064271 this_sequence A064273 A064274 A064275

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 23 2001

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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