OFFSET
0,2
COMMENTS
For symmetry reasons, a(n) is a multiple of 5 for any n > 0.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..1529
Rémy Sigrist, Illustration of initial terms
Rémy Sigrist, C# program for A337545
Wikipedia, Pentaflake
PROG
(C#) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Nov 22 2020
STATUS
approved