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Search: id:A143989
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A143989 Numbers having a unique representation as a sum of a prime and a square. +0
3
2, 4, 5, 8, 9, 13, 15, 16, 22, 24, 26, 31, 36, 37, 40, 46, 49, 50, 55, 61, 70, 74, 76, 81, 82, 94, 99, 100, 106, 115, 120, 127, 133, 136, 142, 144, 145, 154, 159, 166, 170, 178, 184, 202, 205, 219, 221, 225, 235, 246, 250, 253, 256, 265, 268, 274, 295, 298, 301, 310 (list; graph; listen)
OFFSET

1,1

COMMENT

A002471(a(n)) = 1; subsequence of A014089.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..256

CROSSREFS

Sequence in context: A002541 A102821 A101881 this_sequence A064573 A065300 A080403

Adjacent sequences: A143986 A143987 A143988 this_sequence A143990 A143991 A143992

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 07 2008

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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