1,1
Table of n, a(n) for n=1..3.
a(n) = (2^(2*A000668(n)-1)/8)-1 = (A139294(n)/8)-1.
Sequence in context: A167069 A024046 A152505 * A004803 A065604 A062612
Adjacent sequences: A139298 A139299 A139300 * A139302 A139303 A139304
bref,nonn
Omar E. Pol, Apr 13 2008
approved
