|
Search: id:A131718
|
|
|
| A131718 |
|
Period 6: repeat 1, 1, 2, 1, 2, 1. |
|
+0
2
|
|
| 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1
(list; graph; listen)
|
|
|
OFFSET
|
0,3
|
|
|
FORMULA
|
a(n)=(1/90)*{8*(n mod 6)+23*[(n+1) mod 6]-7*[(n+2) mod 6]+23*[(n+3) mod 6]-7*[(n+4) mod 6]+8*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Oct 02 2007
O.g.f.: -(1+x+2x^2+x^3+2x^4+x^5)/((x-1)(1+x)(x^2+x+1)(x^2-x+1)) . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2008
|
|
CROSSREFS
|
Sequence in context: A081729 A080215 A060500 this_sequence A131017 A049046 A003647
Adjacent sequences: A131715 A131716 A131717 this_sequence A131719 A131720 A131721
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Paul Curtz (bpcrtz(AT)free.fr), Sep 15 2007
|
|
|
Search completed in 0.002 seconds
|
