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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 May 18 11:30 EDT 2021. Contains 343995 sequences. (Running on oeis4.)