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A094209 Numbers n such that the sum of n's digits times the sum of the factorials of n's digits is equal to n. 0
1, 224, 441, 21660, 26406 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
There are no further terms. - Farideh Firoozbakht, Apr 16 2008
LINKS
EXAMPLE
(4 + 4 + 1)*(4! + 4! + 1!) = 441.
MATHEMATICA
f[n_] := Plus @@ (Factorial /@ IntegerDigits[n])Plus @@ IntegerDigits[n]; Select[ Range[ 10^7], f[ # ] == # &] (* Robert G. Wilson v, May 29 2004 *)
CROSSREFS
Cf. A005188.
Sequence in context: A177770 A202442 A331371 * A158227 A061524 A156813
KEYWORD
base,nonn,fini,full
AUTHOR
Jason Earls, May 27 2004
STATUS
approved

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Last modified April 12 07:53 EDT 2024. Contains 371626 sequences. (Running on oeis4.)