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URL: https://oeis.org/A104090

⇱ A104090 - OEIS

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A104090

Largest prime <= 5^n.

3

5, 23, 113, 619, 3121, 15619, 78121, 390581, 1953109, 9765619, 48828113, 244140613, 1220703073, 6103515623, 30517578121, 152587890563, 762939453109, 3814697265523, 19073486328109, 95367431640599, 476837158203071, 2384185791015571, 11920928955078089

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..23.

FORMULA

a(n) = A007917(A000351(n)). - Paolo Xausa, Oct 29 2024

MATHEMATICA

NextPrime[5^Range[30] + 1, -1] (* Paolo Xausa, Oct 29 2024 *)

PROG

(PARI) g(n, b) = for(x=0, n, print1(precprime(b^x)", "))

CROSSREFS

Cf. A014234, A054321, A104088, A104089, A104091-A104094, A003618, A104096.

Cf. A000040, A000351, A007917.

Sequence in context: A320326 A299589 A113284 * A355055 A358607 A073596

Adjacent sequences: A104087 A104088 A104089 * A104091 A104092 A104093

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Mar 03 2005

STATUS

approved