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A184004 a(n) = n + floor(sqrt(4n/3)); complement of A184005. 2
2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

MATHEMATICA

a=4/3; b=0;

Table[n+Floor[(a*n+b)^(1/2)], {n, 80}]

Table[n-1+Ceiling[(n*n-b)/a], {n, 60}]

PROG

(PARI) for(n=1, 100, print1(n + floor(sqrt(4*n/3)), ", ")) \\ G. C. Greubel, Jul 22 2017

CROSSREFS

Cf. A184005.

Sequence in context: A028962 A028968 A029598 * A183292 A039193 A028798

Adjacent sequences:  A184001 A184002 A184003 * A184005 A184006 A184007

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jan 08 2011

STATUS

approved

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)