OFFSET
1,1
REFERENCES
Robert A. Rankin, Ramanujan's tau-function and its generalizations, in: G. E. Andrews et al. (eds.), Ramanujan Revisited, Proceedings of the Centenary Conference, University of Illinois at Urbana-Champaign, June 1-5, 1987, Academic Press, 1988, pp. 245-268.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[3500], PrimeQ[#] && Divisible[RamanujanTau[#], 11] &] (* Amiram Eldar, Mar 28 2021 *)
PROG
(PARI) lista (nn) = {forprime(p=1, nn, if (taup(p) % 11 == 0, print1(p, ", ")); ); } \\ (with taup(p) defined in A076847) Michel Marcus, Jun 26 2013
(Perl) use ntheory ":all"; forprimes { say unless ramanujan_tau($_) % 11; } 1e4; # Dana Jacobsen, Sep 05 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Paolo Dominici (pl.dm(AT)libero.it)
STATUS
approved