login
This site is supported by donations to The OEIS Foundation.

 

Logo

"Email this user" was broken Aug 14 to 9am Aug 16. If you sent someone a message in this period, please send it again.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A076219 Smallest positive integer m such that m! begins with n in base 10. 7
1, 2, 9, 8, 7, 3, 6, 14, 96, 27, 22, 5, 15, 42, 25, 89, 69, 76, 63, 16, 87, 113, 54, 4, 23, 30, 205, 85, 34, 28, 62, 164, 41, 245, 17, 9, 36, 128, 11, 8, 185, 53, 351, 73, 369, 118, 12, 265, 129, 7, 21, 38, 235, 66, 46, 258, 81, 597, 279, 43, 72, 13, 559, 18, 203, 120, 311 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..67.

EXAMPLE

We have a(5) = 7 since 7! = 5040 and no smaller factorial number begins with 5 in base 10.

CROSSREFS

Apart from leading term, identical to A018799.

Sequence in context: A192599 A021081 A018799 * A077601 A090930 A258412

Adjacent sequences:  A076216 A076217 A076218 * A076220 A076221 A076222

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Nov 04 2002

EXTENSIONS

More terms from Lambert Klasen (lambert.klasen(AT)gmx.de), Jan 13 2005

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified August 20 13:04 EDT 2017. Contains 290835 sequences.