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A053670 Least number coprime to n and n+1. 8
3, 5, 5, 3, 7, 5, 3, 5, 7, 3, 5, 5, 3, 11, 7, 3, 5, 5, 3, 11, 5, 3, 5, 7, 3, 5, 5, 3, 7, 7, 3, 5, 5, 3, 11, 5, 3, 5, 7, 3, 5, 5, 3, 7, 7, 3, 5, 5, 3, 7, 5, 3, 5, 7, 3, 5, 5, 3, 7, 7, 3, 5, 5, 3, 7, 5, 3, 5, 11, 3, 5, 5, 3, 7, 7, 3, 5, 5, 3, 7, 5, 3, 5, 11, 3, 5, 5, 3, 7, 11, 3, 5, 5, 3, 7, 5, 3, 5, 7, 3, 5 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A179675(n) = smallest m such that a(m) = n-th odd prime. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 23 2010]

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10000 [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 23 2010]

CROSSREFS

Cf. A053669-A053674.

Sequence in context: A141334 A199614 A129488 * A085963 A184593 A189202

Adjacent sequences:  A053667 A053668 A053669 * A053671 A053672 A053673

KEYWORD

nonn,nice,easy

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Feb 15 2000

EXTENSIONS

More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000 and James A. Sellers (sellersj(AT)math.psu.edu), Feb 22 2000.

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Last modified February 16 20:09 EST 2012. Contains 205958 sequences.