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A199799 Totatives of 111111. 2
1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 25, 29, 31, 32, 34, 38, 40, 41, 43, 46, 47, 50, 53, 58, 59, 61, 62, 64, 67, 68, 71, 73, 76, 79, 80, 82, 83, 85, 86, 89, 92, 94, 95, 97, 100, 101, 103, 106, 107, 109, 113, 115, 116, 118, 122, 124, 125, 127, 128, 131, 134 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) and 111111 are coprime, 111111 = 3*7*11*13*37; empty intersections with A008585, A008593, A008595, or A085959; sequence is finite with 51840 terms, A000010(111111) = 51840, last term: a(51840) = 111110.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Repunit

Eric Weisstein's World of Mathematics, Totative

PROG

(Haskell)

a199799 n = a199799_list !! (n-1)

a199799_list = [x | x <- [1..111111], gcd x 111111 == 1]

CROSSREFS

Cf. A109492 (divisors of 111111).

Sequence in context: A277101 A039895 A105425 * A032937 A126684 A089653

Adjacent sequences:  A199796 A199797 A199798 * A199800 A199801 A199802

KEYWORD

nonn,fini

AUTHOR

Reinhard Zumkeller, Nov 11 2011

STATUS

approved

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Last modified February 17 21:12 EST 2018. Contains 299297 sequences. (Running on oeis4.)