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A077429 Floor(Log10(n^2)). 1
0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

COMMENTS

a(n) = A004216(n^2).

LINKS

Table of n, a(n) for n=1..105.

CROSSREFS

Cf. A077430.

Sequence in context: A108248 A087104 A069926 * A204553 A214455 A060417

Adjacent sequences:  A077426 A077427 A077428 * A077430 A077431 A077432

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 05 2002

STATUS

approved

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Last modified December 22 04:14 EST 2014. Contains 252326 sequences.