login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A004236 a(n) = ceiling(10*log(n)). 0
0, 7, 11, 14, 17, 18, 20, 21, 22, 24, 24, 25, 26, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 33, 34, 34, 35, 35, 35, 35, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 41 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

MATHEMATICA

Ceiling[10*Log[Range[60]]] (* Harvey P. Dale, Jul 22 2019 *)

CROSSREFS

Sequence in context: A018768 A045970 A004235 * A153049 A065105 A118797

Adjacent sequences:  A004233 A004234 A004235 * A004237 A004238 A004239

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 10 16:56 EDT 2020. Contains 336381 sequences. (Running on oeis4.)