OFFSET
1,3
REFERENCES
M. J. Halm, Sequences (Re)discovered, Mpossibilities 81 (Aug. 2002).
EXAMPLE
10*(2*2) = 40
CROSSREFS
KEYWORD
easy,nonn,changed
AUTHOR
Michael Joseph Halm, Aug 24 2002
EXTENSIONS
Missing 27 and 90 inserted by Sean A. Irvine, Nov 10 2024
STATUS
approved