A000193 Nearest integer to log n.

0, 1, 1, 1, 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, 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, 4, 4, 4

Offset

1,5

Links

T. D. Noe, Table of n, a(n) for n=1..10000

Maple

Digits := 100; f := n->round(evalf(log(n))); [ seq(f(n), n=1..100) ];

Prog

(PARI) a(n)=round(log(n))
(Haskell)
a000193 = round . log . fromIntegral  -- Reinhard Zumkeller, Mar 17 2015

Crossrefs

Cf. A000195, A004233.

Sequence in context: A108582 A345378 A071840 * A059939 A071842 A344517

Adjacent sequences: A000190 A000191 A000192 * A000194 A000195 A000196

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved