A184105 - OEIS

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A184105

n-1+ceiling((n/5)^2); complement of A184104.

1

1, 2, 3, 4, 5, 7, 8, 10, 12, 13, 15, 17, 19, 21, 23, 26, 28, 30, 33, 35, 38, 41, 44, 47, 49, 53, 56, 59, 62, 65, 69, 72, 76, 80, 83, 87, 91, 95, 99, 103, 108, 112, 116, 121, 125, 130, 135, 140, 145, 149, 155, 160, 165, 170, 175, 181, 186, 192, 198, 203, 209, 215, 221, 227, 233, 240, 246, 252, 259, 265

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..70.

Index entries for linear recurrences with constant coefficients, signature (2,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,-2,1).

MATHEMATICA

a=25; b=0;

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

Table[n-1+Ceiling[(n*n-b)/a], {n, 70}]

CROSSREFS

Sequence in context: A129590 A261132 A262525 * A062469 A340758 A238098

Adjacent sequences: A184102 A184103 A184104 * A184106 A184107 A184108

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jan 09 2011

STATUS

approved