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A116662 Numbers k such that prime(k) == 15 (mod k). 1
1, 2, 4, 13, 14, 41, 46, 446, 1066, 16054, 251713, 251738, 251764, 251789, 27067052, 27067124, 465769808, 465769816, 1208198606, 1208198632, 145935689368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Starting with a(6), positions of 15 in A004648. - corrected by Eric M. Schmidt, Feb 05 2013

LINKS

Table of n, a(n) for n=1..21.

PROG

def A116662(max) :

....terms = []

....p = 2

....for n in range(1, max+1) :

........if (p - 15) % n == 0 : terms.append(n)

........p = next_prime(p)

....return terms

end # Eric M. Schmidt, Feb 05 2013

CROSSREFS

Cf. A004648; A023143-A023152, A116657, A116677, A116658, A116659, prime(n) == m (mod n), m=1-10,11,12,13,14.

Sequence in context: A109928 A023640 A064454 * A024580 A074097 A276481

Adjacent sequences:  A116659 A116660 A116661 * A116663 A116664 A116665

KEYWORD

more,nonn

AUTHOR

Zak Seidov, Feb 21 2006

EXTENSIONS

More terms from Ryan Propper, Jul 21 2006

a(21) from Donovan Johnson, Dec 07 2008

Edited by and first five terms inserted by Eric M. Schmidt, Feb 05 2013

STATUS

approved

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Last modified June 21 19:59 EDT 2021. Contains 345365 sequences. (Running on oeis4.)