OFFSET
1,2
COMMENTS
See A186891 for all numbers n such that the Stern polynomial B(n,x) is irreducible.
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
PROG
(PARI) ps(n)=if(n<2, n, if(n%2, ps(n\2)+ps(n\2+1), 'x*ps(n\2)))
is(n)=!isprime(n) && polisirreducible(ps(n)) \\ Charles R Greathouse IV, Apr 07 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Feb 28 2011
STATUS
approved