OFFSET
0,2
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..10028
Burkard Polster, Root 2 and the deadly Marching Squares, Mathologer video (2015)
FORMULA
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Sep 07 2016
STATUS
approved