A152582 Numbers of the form 9^(2^n) + 2.

11, 83, 6563, 43046723, 1853020188851843, 3433683820292512484657849089283, 11790184577738583171520872861412518665678211592275841109096963

Offset: 1

Author

Cino Hilliard, Dec 08 2008

Keywords

• nonn

Comments

Except for the first term, this sequence is the same as A057727. There appears to be no divisibility rule for this sequence.

Crossrefs

Cf. A059919 (-1), A011764 (-2).

Programs

PARI

g(a,n) = if(a%2,b=2,b=1);for(x=0,n,y=a^(2^x)+b;print1(y","))