|
Search: id:A131719
|
|
|
| A131719 |
|
Period 6: repeat 0, 1, 1, 1, 1, 0. |
|
+0
3
|
|
| 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
a(n)=(1/90)*{4*(n mod 6)+19*[(n+1) mod 6]+4*[(n+2) mod 6]+4*[(n+3) mod 6]+4*[(n+4) mod 6]-11*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Oct 02 2007
G.f.: -(x^2+1)*x/(x-1)/(x^2+x+1)/(x^2-x+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007
|
|
CROSSREFS
|
Sequence in context: A102460 A080908 A131720 this_sequence A100656 A053867 A069513
Adjacent sequences: A131716 A131717 A131718 this_sequence A131720 A131721 A131722
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Paul Curtz (bpcrtz(AT)free.fr), Sep 15 2007
|
|
|
Search completed in 0.002 seconds
|
