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A090720 Primes whose representation in base 512 can be interpreted as a decimal prime. 1
2, 3, 5, 7, 521, 1033, 1543, 3079, 3593, 4099, 262147, 262151, 262153, 266759, 524801, 789001, 789511, 791047, 1051649, 1310723, 1312769, 1314823, 1572871, 1573379, 1574401, 1575433, 1835017, 1836553, 2098183, 2098697, 2100227 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

MATHEMATICA

okQ[n_]:=Module[{idn512=IntegerDigits[n, 512]}, And@@(#<10&/@idn512)&&PrimeQ[FromDigits[idn512]]]

Select[Prime[Range[400000]], okQ]  [From Harvey P. Dale, Dec. 28, 2010]

CROSSREFS

Sequence in context: A083183 A046477 A145843 * A114780 A241681 A134811

Adjacent sequences:  A090717 A090718 A090719 * A090721 A090722 A090723

KEYWORD

base,nonn

AUTHOR

Cino Hilliard, Jan 18 2004

EXTENSIONS

Better definition and offset corrected by Omar E. Pol, Dec 24 2008

STATUS

approved

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Last modified January 22 16:37 EST 2020. Contains 331152 sequences. (Running on oeis4.)