OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
FORMULA
a(n) ~ n log n. - Charles R Greathouse IV, Dec 18 2014
PROG
(PARI) T=thueinit('x^4+1, 1);
is(n)=#thue(T, n)==0&&isprime(n) \\ Charles R Greathouse IV, Dec 18 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
V. Raman, Sep 03 2012
STATUS
approved