1,1
Cf. A033545.
Sequence in context: A171021 A035427 A010475 * A200350 A200636 A124451
Adjacent sequences: A033543 A033544 A033545 * A033547 A033548 A033549
nonn,fini
Jack Rosenthal, rosebud(AT)nytimes.com (submitted by James Gleick, jim(AT)around.com).