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A270653 Integers n such that A003266(n) is divisible by n. 2
1, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Note that this sequence is not the complement of A000057.

See A230359 for the prime terms of this sequence.

LINKS

Table of n, a(n) for n=1..73.

EXAMPLE

11 is a term because 1*1*2*3*5*8*13*21*34*55*89 is divisible by 11.

MATHEMATICA

Select[Range@ 80, Divisible[Fibonorial@ #, #] &] (* Version 10, or *) Select[Range@ 80, Divisible[Product[Fibonacci@ k, {k, #}], #] &] (* Michael De Vlieger, Mar 23 2016 *)

PROG

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

for(n=1, 1e2, if(lift(t(n)) == 0, print1(n, ", ")));

CROSSREFS

Cf. A000057, A003266, A230359.

Sequence in context: A180443 A205705 A343616 * A299538 A201512 A242290

Adjacent sequences:  A270650 A270651 A270652 * A270654 A270655 A270656

KEYWORD

nonn

AUTHOR

Altug Alkan, Mar 20 2016

STATUS

approved

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Last modified October 26 18:30 EDT 2021. Contains 348268 sequences. (Running on oeis4.)