0,6
First 5 terms are {0,0,0,0,1}; thereafter apply the recurrence. Note that 0^0=1.
Table of n, a(n) for n=0..14.
R. Munafo, Accelerating Sequences
Sequence in context: A220699 A202086 A227366 * A117403 A002877 A065845
Adjacent sequences: A171875 A171876 A171877 * A171879 A171880 A171881
nonn
Robert Munafo, Jan 21 2010
approved