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Search: id:A167845
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OFFSET
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1,1
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COMMENT
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Primes in A135642.
Primes whose structure of digits represent a concave function or a concave object. In the graphic representation the points are connected by imaginary line segments (or line curves) from left to right.
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CROSSREFS
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Cf. A134811, A134951, A134971, A135642, A167841, A167842, A167843, A167844, A167846, A167853.
Sequence in context: A159256 A039558 A045164 this_sequence A134951 A164294 A155924
Adjacent sequences: A167842 A167843 A167844 this_sequence A167846 A167847 A167848
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KEYWORD
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base,more,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Nov 13 2009
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