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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

Table of n, a(n) for n=1..85.

CROSSREFS

Cf. A000041, A194699.

Sequence in context: A211661 A111972 A073458 * A105519 A111891 A296076

Adjacent sequences:  A194695 A194696 A194697 * A194699 A194700 A194701

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Jan 18 2012

STATUS

approved

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Last modified October 20 05:49 EDT 2019. Contains 328247 sequences. (Running on oeis4.)