A183864 - OEIS

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A183864

n+floor(sqrt(5*n/3)); complement of A183865.

2, 3, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..100.

MATHEMATICA

a=5/3; b=0;

Table[n+Floor[(a*n+b)^(1/2)], {n, 100}]

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

CROSSREFS

Cf. A183865.

Sequence in context: A183874 A175140 A039144 * A181133 A039105 A187328

Adjacent sequences: A183861 A183862 A183863 * A183865 A183866 A183867

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jan 07 2011

STATUS

approved