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Search: id:A094209
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| A094209 |
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Numbers n such that the sum of n's digits times the sum of the factorials of n's digits is equal to n. |
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+0
1
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OFFSET
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1,2
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COMMENT
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There are no further terms. - Farideh Firoozbakht (mymontain(AT)yahoo.com), Apr 16 2008
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EXAMPLE
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(4+4+1)*(4!+4!+1!) = 441.
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MATHEMATICA
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f[n_] := Plus @@ (Factorial /@ IntegerDigits[n])Plus @@ IntegerDigits[n]; Select[ Range[ 10^7], f[ # ] == # &] (from Robert G. Wilson v May 29 2004)
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CROSSREFS
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Cf. A005188.
Sequence in context: A094491 A050241 A046296 this_sequence A061524 A015048 A032802
Adjacent sequences: A094206 A094207 A094208 this_sequence A094210 A094211 A094212
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KEYWORD
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base,nonn,fini,full
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), May 27 2004
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