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A048760 Largest square <= n. +0
29
0, 1, 1, 1, 4, 4, 4, 4, 4, 9, 9, 9, 9, 9, 9, 9, 16, 16, 16, 16, 16, 16, 16, 16, 16, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 (list; graph; listen)
OFFSET

0,5

REFERENCES

K. Atanassov, On the 40-th and 41-st Smarandache Problems, Notes on Number Theory and Discrete Mathematics, Sophia, Bulgaria, Vol. 4 (1998), No. 3, 101-104.

K. Atanassov, On Some of Smarandache's Problems, American Research Press, 1999, 27-32.

J. Castillo, Other Smarandache Type Functions: Inferior/Superior Smarandache f-part of x, Smarandache Notions Journal, Vol. 10, No. 1-2-3, 1999, 202-204.

F. Smarandache, Only Problems not Solutions!, Xiquan Publ. Hse., 1993.

LINKS

K. Atanassov, On Some of Smarandache's Problems

H. Bottomley, Illustration of A000196, A048760, A053186

M. L. Perez et al., eds., Smarandache Notions Journal

F. Smarandache, Only Problems, Not Solutions!

M. Somos, Sequences used for indexing triangular or square arrays

FORMULA

a(n) = floor(n^(1/2))^2. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 03 2002

n^2 repeated (2n+1) times, n=0,1,.. (from Zak Seidov, zakseidov(AT)yahoo.com Oct 25 2008)

CROSSREFS

Sequence in context: A064053 A108893 A162281 this_sequence A035627 A165923 A006264

Adjacent sequences: A048757 A048758 A048759 this_sequence A048761 A048762 A048763

KEYWORD

nonn,easy

AUTHOR

Charles T. Le (charlestle(AT)yahoo.com)

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.


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