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A126794 a(1)=1. a(n+1) = a(n) + a(floor(sqrt(n))). 0
1, 2, 3, 4, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, 225, 233, 241, 251, 261, 271, 281, 291, 301, 311, 321, 331, 341, 351 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..60.

EXAMPLE

a(26) = a(25) + a(floor(sqrt(25))) = 71 + a(5) = 71 + 6 = 77.

MAPLE

a[1]:=1: for n from 1 to 75 do a[n+1]:=a[n]+a[floor(sqrt(n))] od: seq(a[n], n=1..75); - Emeric Deutsch, Feb 24 2007

CROSSREFS

Sequence in context: A113769 A056865 A097602 * A011862 A122957 A078769

Adjacent sequences:  A126791 A126792 A126793 * A126795 A126796 A126797

KEYWORD

nonn

AUTHOR

Leroy Quet, Feb 20 2007

EXTENSIONS

More terms from Emeric Deutsch, Feb 24 2007

STATUS

approved

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Last modified November 14 04:41 EST 2018. Contains 317161 sequences. (Running on oeis4.)