login
A193926
First differences of A062039.
3
0, 1, 2, -3, 1, 2, 1, 2, 5, -9, 4, 5, 12, -13, 7, -15, 4, 5, 12, -19, 2, 5, 12, -23, 1, 2, 1, 2, 5, 12, 1, 2, 5, 27, -34, 2, 5, 27, -38, 7, 7, 25, -42, 12, 24, -45, 12, 7, 7, 25, -50, 3, 24, 32, -54, 18, 32, -57, 7, 18, 32, -61, 1, 2, 5, 12, 1, 2, 5, 27, 15
OFFSET
0,3
COMMENTS
a(n) = A062039(n+1) - A062039(n);
a(A193927(n)) = - A193927(n).
LINKS
PROG
(Haskell)
a193926 n = a193926_list !! n
a193926_list = zipWith (-) (tail a062039_list) a062039_list
CROSSREFS
Sequence in context: A075660 A270788 A190496 * A211450 A073058 A100336
KEYWORD
sign
AUTHOR
Reinhard Zumkeller, Aug 10 2011
STATUS
approved