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A194698 a(n) = floor((n - 1)/12) - floor((n^2 - 1)/(24*n)). 1
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,37
COMMENTS
A similar formula for prime indices is mentioned in the abstract of the Folson-Kent-Ono paper (See A194699).
LINKS
MATHEMATICA
Table[Floor[(n-1)/12]-Floor[(n^2-1)/(24n)], {n, 90}] (* Harvey P. Dale, Oct 23 2021 *)
CROSSREFS
Sequence in context: A211661 A111972 A073458 * A105519 A111891 A296076
KEYWORD
nonn,easy
AUTHOR
Omar E. Pol, Jan 18 2012
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)