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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A136432 a(n)! is the smallest factorial bigger than n^n. 2
2, 3, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 17, 19, 20, 21, 22, 24, 25, 26, 27, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 84, 85, 86, 87 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..71.

EXAMPLE

a(13) = 17 because 17! is the smallest factorial bigger than 13^13.

MATHEMATICA

From Alexis Olson (AlexisOlson(AT)gmail.com), Nov 14 2008: (Start)

For[n = 1; s = {2}, n <= 1000, n++,

..For[k = Max[s], k <= 1200, k++,

....If[k! > n^n, s = Union[s, {k}]; Break[]]]]; s (End)

With[{ff=Table[{n, n!}, {n, 100}]}, Transpose[Flatten[Table[Select[ff, #[[2]]>k^k&, 1], {k, 90}], 1]][[1]]] (* Harvey P. Dale, Mar 16 2013 *)

CROSSREFS

Sequence in context: A039144 A183864 A181133 * A039105 A187328 A065000

Adjacent sequences:  A136429 A136430 A136431 * A136433 A136434 A136435

KEYWORD

easy,nonn

AUTHOR

Ben Paul Thurston, Apr 01 2008

EXTENSIONS

More terms from Alexis Olson (AlexisOlson(AT)gmail.com), Nov 14 2008

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 November 30 06:28 EST 2021. Contains 349419 sequences. (Running on oeis4.)