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A073189 Integers 0..k three times, then 0..k+1 three times, etc. 17
0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 6, 0, 1, 2, 3, 4, 5, 6, 0, 1, 2, 3, 4, 5, 6, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,12
LINKS
EXAMPLE
0;
0;
0;
0, 1;
0, 1;
0, 1;
0, 1, 2;
0, 1, 2;
0, 1, 2;
0, 1, 2, 3;
0, 1, 2, 3; ...
MATHEMATICA
Table[Range[0, k], {k, 0, 7}, {3}] // Flatten (* Jean-François Alcover, Apr 18 2013 *)
PROG
(PARI) a(n)=local(m); m=floor(sqrt(6*n+6)-3/2)\3+1; (n-3*binomial(m, 2))%m
CROSSREFS
Sequence in context: A215592 A025684 A025678 * A194519 A025855 A215590
KEYWORD
nonn,tabf
AUTHOR
Michael Somos, Jul 19 2002
STATUS
approved

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Last modified March 29 09:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)