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A259262
Fixed points in
A083275
.
1
4, 10, 15, 35, 116, 242, 396
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OFFSET
1,1
COMMENTS
Numbers n such that
A083275
(n) = n.
a(8) > 1200. -
Giovanni Resta
, Jun 23 2015
LINKS
Table of n, a(n) for n=1..7.
PROG
(PARI) v=[3]; n=1; while(#v<300, s=-1+n*prod(i=1, #v, v[i]); if(ispseudoprime(s)&&!vecsearch(vecsort(v), n), v=concat(v, n); if(n==#v, print1(n, ", ")); n=0); n++)
CROSSREFS
Cf.
A083275
.
Sequence in context:
A360557
A005662
A337294
*
A218211
A302197
A190965
Adjacent sequences:
A259259
A259260
A259261
*
A259263
A259264
A259265
KEYWORD
nonn
,
hard
,
more
AUTHOR
Derek Orr
, Jun 22 2015
EXTENSIONS
a(7) from
Giovanni Resta
, Jun 23 2015
STATUS
approved
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Last modified August 24 21:46 EDT 2024. Contains 375417 sequences. (Running on oeis4.)