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A111862
Second digit after decimal point of square root of n in decimal representation.
13
0, 1, 3, 0, 3, 4, 4, 2, 0, 6, 1, 6, 0, 4, 7, 0, 2, 4, 5, 7, 8, 9, 9, 9, 0, 9, 9, 9, 8, 7, 6, 5, 4, 3, 1, 0, 8, 6, 4, 2, 0, 8, 5, 3, 0, 8, 5, 2, 0, 7, 4, 1, 8, 4, 1, 8, 4, 1, 8, 4, 1, 7, 3, 0, 6, 2, 8, 4, 0, 6, 2, 8, 4, 0, 6, 1, 7, 3, 8, 4, 0, 5, 1, 6, 1, 7, 2
OFFSET
1,3
LINKS
MAPLE
A111862 := proc(n) return floor(100*sqrt(n)) mod 10: end: seq(A111862(n), n=1..100); # Nathaniel Johnston, May 04 2011
MATHEMATICA
Mod[Floor[100*Sqrt[Range[100]]], 10] (* Paolo Xausa, May 17 2024 *)
KEYWORD
nonn,easy,base
AUTHOR
Reinhard Zumkeller, Aug 20 2005
STATUS
approved