A160544 - OEIS

A160544

Not divisible by 19.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1).

MATHEMATICA

Table[If[Divisible[n, 19], Nothing, n], {n, 100}] (* or *) DeleteCases[Range[100], _?(Divisible[ #, 19]&)] (* Harvey P. Dale, Dec 18 2022 *)

PROG

(Sage) [i for i in range(0, 80) if gcd(19, i) == 1]

CROSSREFS

Sequence in context: A077342 A242474 A351374 * A368728 A276568 A295020

Adjacent sequences: A160541 A160542 A160543 * A160545 A160546 A160547

KEYWORD

nonn,easy

AUTHOR

Zerinvary Lajos, May 18 2009

STATUS

approved