1,1
Table of n, a(n) for n=1..18.
Eastman Kodak Company, Film speeds
Sequence in context: A080386 A070758 A104667 * A195564 A147287 A031331
Adjacent sequences: A066841 A066842 A066843 * A066845 A066846 A066847
nonn
N. J. A. Sloane, based on a suggestion from Sharon M. Wilson, Apr 10 2003
approved