OFFSET
1,1
COMMENTS
The terms are from numeric computation - no formula for a(n) is currently known.
LINKS
Scott R. Shannon, Octagon regions for n = 1.
Scott R. Shannon, Octagon regions for n = 2.
Scott R. Shannon, Octagon regions for n = 3.
Scott R. Shannon, Octagon regions for n = 4.
Scott R. Shannon, Octagon regions using random distance-based coloring for n = 2.
Scott R. Shannon, Octagon regions using random distance-based coloring for n = 3.
Scott R. Shannon, Octagon regions using random distance-based coloring for n = 4.
Wikipedia, Octagon.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Scott R. Shannon and N. J. A. Sloane, Mar 07 2020
EXTENSIONS
a(7)-a(24) from Lars Blomberg, May 14 2020
STATUS
approved