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A270777 Integers n such that A003266(n) is not divisible by n. 1
2, 3, 4, 7, 23, 43, 67, 83, 103, 127, 163, 167, 223, 227, 283, 367, 383, 443, 463, 467, 487, 503, 523, 547, 587, 607, 643, 647, 683, 727, 787, 823, 827, 863, 883, 887, 907, 947, 983, 1063, 1123, 1163, 1187, 1283, 1303, 1327, 1367, 1423, 1447, 1487, 1543, 1567, 1583, 1607, 1627, 1663, 1667 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A270653.

LINKS

Table of n, a(n) for n=1..57.

EXAMPLE

4 is a term because 1*1*2*3 = 6 is not divisible by 4.

MATHEMATICA

Select[Range@ 1680, ! Divisible[Fibonorial@ #, #] &] (* Version 10, or *)

Select[Range@ 1680, ! Divisible[Product[Fibonacci@ k, {k, #}], #] &] (* Michael De Vlieger, Mar 27 2016 *)

PROG

(PARI) t(n) = prod(k=1, n, Mod(fibonacci(k), n));

for(n=1, 2000, if(lift(t(n)) != 0, print1(n, ", ")));

CROSSREFS

Cf. A000057, A003266, A270653.

Sequence in context: A119330 A084644 A208729 * A100686 A052340 A094313

Adjacent sequences:  A270774 A270775 A270776 * A270778 A270779 A270780

KEYWORD

nonn

AUTHOR

Altug Alkan, Mar 22 2016

STATUS

approved

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Last modified November 21 01:23 EST 2019. Contains 329348 sequences. (Running on oeis4.)