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A111894 Number of numbers m <= n such that 4 equals the second digit after decimal point of square root of n in decimal representation. 11
0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..89.

EXAMPLE

a(10) = 2, a(100) = 17, a(1000) = 121, a(10000) = 1066.

CROSSREFS

Cf. A111890, A111891, A111892, A111893, A111895, A111896, A111897, A111898, A111899, A111854.

Sequence in context: A074802 A071804 A280953 * A279012 A292027 A025845

Adjacent sequences:  A111891 A111892 A111893 * A111895 A111896 A111897

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Aug 20 2005

STATUS

approved

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Last modified September 22 22:42 EDT 2018. Contains 315270 sequences. (Running on oeis4.)