

A227177


n occurs n^2  n + 1 times.


6



0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
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OFFSET

0,3


COMMENTS

a(n) is the least integer k such that A006527(k) >= n, which implies that each n occurs A002061(n) times.


LINKS

Antti Karttunen, Table of n, a(n) for n = 0..9951


FORMULA

a(k + (j^3j^2+5*j)/3) = j for all j>=0, k=0..(j^2j).  Jinyuan Wang, Nov 24 2018


MATHEMATICA

Flatten[Map[ConstantArray[#, (#2) (#1)+1]1&, Range[7]]] (* Peter J. C. Moses, Jul 14 2013 *)
Flatten[Table[#, {#^2#+1}]&/@Range[0, 7]] (* Harvey P. Dale, Sep 25 2013 *)


PROG

(Scheme, with Antti Karttunen's IntSeqlibrary): (define A227177 (LEASTGTEI 0 0 A006527))
(PARI) vec(N)=concat(vector(N, i, vector(i^2i+1, j, i))) \\ Jinyuan Wang, Dec 01 2018


CROSSREFS

Cf. A000196, A002061, A006527, A227179, A227181, A227147.
Sequence in context: A082527 A294235 A186188 * A132944 A210568 A262887
Adjacent sequences: A227174 A227175 A227176 * A227178 A227179 A227180


KEYWORD

nonn


AUTHOR

Antti Karttunen, Jul 03 2013


STATUS

approved



