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A022461 a(n) = prime(n+1)*prime(n+2) mod prime(n). 4
1, 2, 2, 3, 1, 11, 12, 2, 2, 16, 29, 24, 12, 40, 25, 48, 16, 60, 24, 16, 60, 40, 1, 7, 24, 12, 24, 12, 72, 26, 40, 48, 24, 120, 16, 72, 60, 40, 72, 48, 24, 120, 12, 24, 28, 89, 192, 24, 12, 40, 48, 24, 160, 72, 72, 48, 16, 60, 24, 24, 240, 252, 24, 12, 72, 280 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A006094(n+1) mod A000040(n). - Michel Marcus, Feb 28 2018

MATHEMATICA

Table[Mod[Prime[n + 1]Prime[n + 2], Prime[n]], {n, 1, 80}] (* Stefan Steinerberger, Apr 14 2006 *)

PROG

(PARI) for(n=1, 50, print1((prime(n+1)*prime(n+2)) % prime(n), ", ")) \\ G. C. Greubel, Feb 27 2018

(MAGMA) [NthPrime(n+1)*NthPrime(n+2) mod NthPrime(n): n in [1..50]]; // G. C. Greubel, Feb 27 2018

CROSSREFS

Cf. A006094, A072565.

Sequence in context: A220349 A273218 A173160 * A306821 A271226 A292372

Adjacent sequences:  A022458 A022459 A022460 * A022462 A022463 A022464

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 19 17:12 EDT 2021. Contains 343117 sequences. (Running on oeis4.)