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A077430 Floor(Log10(2*n^2)) + 1. 4
1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Cf. A077431, A077432, A004216, A077429, A077433.

Sequence in context: A230774 A056813 A125269 * A105513 A004233 A130259

Adjacent sequences:  A077427 A077428 A077429 * A077431 A077432 A077433

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 05 2002

STATUS

approved

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Last modified December 17 16:24 EST 2014. Contains 252031 sequences.