|
%I #14 Feb 11 2021 22:56:19
%S 1,2,4,13,14,41,46,446,1066,16054,251713,251738,251764,251789,
%T 27067052,27067124,465769808,465769816,1208198606,1208198632,
%U 145935689368
%N Numbers k such that prime(k) == 15 (mod k).
%C Starting with a(6), positions of 15 in A004648. - corrected by _Eric M. Schmidt_, Feb 05 2013
%o def A116662(max) :
%o ....terms = []
%o ....p = 2
%o ....for n in range(1,max+1) :
%o ........if (p - 15) % n == 0 : terms.append(n)
%o ........p = next_prime(p)
%o ....return terms
%o end # _Eric M. Schmidt_, Feb 05 2013
%Y Cf. A004648; A023143-A023152, A116657, A116677, A116658, A116659, prime(n) == m (mod n), m=1-10,11,12,13,14.
%K more,nonn
%O 1,2
%A _Zak Seidov_, Feb 21 2006
%E More terms from _Ryan Propper_, Jul 21 2006
%E a(21) from _Donovan Johnson_, Dec 07 2008
%E Edited by and first five terms inserted by _Eric M. Schmidt_, Feb 05 2013
|
