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A162683 a(0)=1. a(n) = the number of terms among (a(0),a(1),...a(n-1)) that either are coprime to n or divide n. 1
1, 1, 2, 3, 4, 5, 5, 7, 8, 9, 8, 11, 9, 13, 11, 13, 16, 17, 14, 19, 16, 18, 15, 23, 17, 24, 18, 23, 21, 29, 18, 31, 27, 24, 23, 32, 25, 37, 26, 28, 27, 41, 24, 43, 30, 34, 29, 47, 33, 46, 31, 36, 35, 53, 35, 49, 38, 41, 38, 59, 32, 61, 40, 46, 47, 58, 35, 67, 45, 51, 41, 71, 50 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A161656 A306328 A225090 * A073137 A345965 A131233
KEYWORD
nonn
AUTHOR
Leroy Quet, Jul 10 2009
EXTENSIONS
More terms from Sean A. Irvine, Nov 03 2009
STATUS
approved

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Last modified March 2 07:05 EST 2024. Contains 370460 sequences. (Running on oeis4.)