OFFSET
0,13
COMMENTS
Is a(2358) = 0 the last zero of this sequence? See also comments in A277891.
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..41014
FORMULA
a(0) = 0; for n >= 1, a(n) = a(n-1) - (-1)^A276573(n).
PROG
CROSSREFS
KEYWORD
sign
AUTHOR
Antti Karttunen, Nov 13 2016
STATUS
approved