OFFSET
2,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Peter C. Fishburn, Peter C. Marcus-Roberts, Fred S. Roberts, Unique finite difference measurement, SIAM J. Discrete Math. 1 (1988), no. 3, 334-354.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved