|
|
A008343
|
|
a(1)=1; thereafter a(n+1) = a(n)-n if a(n) >= n otherwise a(n+1) = a(n)+n.
|
|
5
|
|
|
1, 0, 2, 5, 1, 6, 0, 7, 15, 6, 16, 5, 17, 4, 18, 3, 19, 2, 20, 1, 21, 0, 22, 45, 21, 46, 20, 47, 19, 48, 18, 49, 17, 50, 16, 51, 15, 52, 14, 53, 13, 54, 12, 55, 11, 56, 10, 57, 9, 58, 8, 59, 7, 60, 6, 61, 5, 62, 4, 63, 3
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
a(n) = (n-1+a(n-1)) mod (2*(n-1)). - Jon Maiga, Jul 09 2021
|
|
MAPLE
|
|
|
MATHEMATICA
|
nxt[{n_, a_}]:={n+1, If[a>=n, a-n, a+n]}; Transpose[NestList[nxt, {1, 1}, 60]][[2]] (* Harvey P. Dale, May 04 2014 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|