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A053670 Least number coprime to n and n+1. +0
5
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; listen)
OFFSET

1,1

CROSSREFS

Cf. A053669-A053674.

Sequence in context: A110551 A141334 A129488 this_sequence A085963 A153098 A119280

Adjacent sequences: A053667 A053668 A053669 this_sequence 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 December 7 23:50 EST 2009. Contains 170430 sequences.


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