OFFSET
0,2
REFERENCES
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
W. F. Lunnon, Multi-dimensional map-folding, Computer Journal 14 1971 75-80.
Eric Weisstein's World of Mathematics, Map Folding
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
EXTENSIONS
a(6)-a(7) from Sean A. Irvine, Jan 11 2018
STATUS
approved