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A244317 n occurs A014138(n) times. 2
0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

For n >= 1, a(n) = 1 + the least k such that A014143(k) >= n.

Useful when computing A244314.

LINKS

Table of n, a(n) for n=0..99.

FORMULA

For all n >= 0, a(A014143(n)) = n+1 and a(1+A014143(n)) = n+2.

PROG

(Scheme) (define (A244317 n) (if (zero? n) n (let loop ((k 0)) (if (>= (A014143 k) n) (+ 1 k) (loop (+ 1 k))))))

CROSSREFS

Cf. A014138, A014143, A244314, A072643, A081288, A244160.

Sequence in context: A134021 A330558 A237657 * A130255 A082527 A294235

Adjacent sequences:  A244314 A244315 A244316 * A244318 A244319 A244320

KEYWORD

nonn,easy

AUTHOR

Antti Karttunen, Jul 18 2014

STATUS

approved

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Last modified August 6 10:14 EDT 2020. Contains 336245 sequences. (Running on oeis4.)