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A135235
Numbers n such that n=s^phi(s) where s is sum of its digits.
3
1, 2, 34012224
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OFFSET
1,2
COMMENTS
Next term has 417 digits. In fact the sequence has only four terms and a(4)=400^160.
LINKS
Table of n, a(n) for n=1..3.
EXAMPLE
34012224=(3+4+0+1+2+2+2+4)^phi(3+4+0+1+2+2+2+4) so 34012224 is in the sequence.
CROSSREFS
Cf.
A135234
,
A135236
,
A135237
.
Sequence in context:
A296627
A247214
A367833
*
A334022
A263645
A367834
Adjacent sequences:
A135232
A135233
A135234
*
A135236
A135237
A135238
KEYWORD
base
,
fini
,
nonn
,
bref
AUTHOR
Farideh Firoozbakht
, Nov 24 2007
STATUS
approved
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Last modified June 18 12:25 EDT 2024. Contains 373481 sequences. (Running on oeis4.)