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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A163752 Generalized factorions: numbers which are equal to the sum of the factorials of some or all of their digits in base 10. 0
1, 2, 24, 145, 5760, 5761, 5762, 40328, 40585, 362904, 367920, 367921, 367922, 367926, 367928, 367932, 367944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generalized factorions include factorions (A014080), near-factorions (A163576), and "not-so-near-factorions" such as 362904, which is equal to 9! + 4!.

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

367932 = 3! + 7! + 9! + 3!

MATHEMATICA

Select[Range[370000], MemberQ[Total[#!]&/@Rest[Subsets[ IntegerDigits[ #]]], #]&] (* Harvey P. Dale, Mar 20 2017 *)

CROSSREFS

Superset of A014080 and A163576.

Sequence in context: A290775 A000185 A264566 * A035600 A189247 A234352

Adjacent sequences:  A163749 A163750 A163751 * A163753 A163754 A163755

KEYWORD

base,fini,full,nonn

AUTHOR

Berend Jan van der Zwaag (b.j.vanderzwaag(AT)utwente.nl), Aug 03 2009

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 October 17 02:02 EDT 2018. Contains 316275 sequences. (Running on oeis4.)