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URL: https://oeis.org/A104093

⇱ A104093 - OEIS

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A104093
Largest prime <= 8^n.
0
7, 61, 509, 4093, 32749, 262139, 2097143, 16777213, 134217689, 1073741789, 8589934583, 68719476731, 549755813881, 4398046511093, 35184372088777, 281474976710597, 2251799813685119, 18014398509481951, 144115188075855859, 1152921504606846883, 9223372036854775783
OFFSET
1,1
MATHEMATICA
a[n_]:=NextPrime[8^n, -1]; Array[a, 21] (* Stefano Spezia, Sep 07 2025 *)
PROG
(PARI) g(n, b) = for(x=0, n, print1(precprime(b^x)", "))
CROSSREFS
Sequence in context: A164943 A218228 A155599 * A015572 A066443 A108448
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Mar 03 2005
EXTENSIONS
a(20)-a(21) from Stefano Spezia, Sep 07 2025
STATUS
approved