1,2
row 15 of A171275.
Table of n, a(n) for n=1..6.
Sequence in context: A183787 A204050 A114126 * A206322 A214192 A216489
Adjacent sequences: A171349 A171350 A171351 * A171353 A171354 A171355
nonn
R. H. Hardin Dec 06 2009
approved