OFFSET
1,1
REFERENCES
Archimedeans Problems Drive, Eureka, 18 (1955), 17.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Jun 12 2012
STATUS
approved