|
|
A134011
|
|
Period 9: repeat [1, 2, 3, 4, 5, 4, 3, 2, 1].
|
|
1
|
|
|
1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
a(n) = a(n-9) for n > 8. G.f.: (1 + x + x^2 + x^3 + x^4)^2/(1 - x^9). - Chai Wah Wu, Jun 04 2016
|
|
MAPLE
|
A134011:=n->[1, 2, 3, 4, 5, 4, 3, 2, 1][(n mod 9)+1]: seq(A134011(n), n=0..100); # Wesley Ivan Hurt, Jun 11 2016
|
|
MATHEMATICA
|
PadRight[{}, 81, {1, 2, 3, 4, 5, 4, 3, 2, 1}] (* Harvey P. Dale, Oct 31 2011 *)
|
|
PROG
|
(Magma) &cat [[1, 2, 3, 4, 5, 4, 3, 2, 1]: n in [0..8]]; // Wesley Ivan Hurt, Jun 11 2016
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|