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Search: id:A121219
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A121219 a(1)=1. a(n) = a(n-1)th integer from among those positive integers which do not occur earlier in the sequence and which are coprime to n. +0
1
1, 3, 5, 15, 21, 67, 83, 179, 275, 701, 780, 2359, 2567, 6011, 11284, 22593, 24019, 72089, 76112, 190311, 333064, 732773, 766103, 2298349, 2872961, 6224789, 9337213, 21786875, 22565006, 84618829, 87439484, 174879017, 288550415 (list; graph; listen)
OFFSET

1,2
LINKS

Leroy Quet, Home Page (listed in lieu of email address)

CROSSREFS

Sequence in context: A101129 A128396 A155173 this_sequence A113732 A006977 A003549

Adjacent sequences: A121216 A121217 A121218 this_sequence A121220 A121221 A121222

KEYWORD

nonn

AUTHOR

Leroy Quet Aug 20 2006

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 22 2006

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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