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A090525 Least number k such that floor[(n^n)/k] is prime, or 0 if no such number exists. 3
2, 2, 11, 9, 11, 20, 10, 42, 13, 16, 57, 7, 35, 41, 53, 35, 171, 18, 141, 45, 19, 55, 212, 236, 94, 265, 13, 76, 26, 9, 13, 21, 160, 21, 21, 24, 378, 100, 66, 52, 75, 54, 214, 6, 678, 193, 137, 123, 138, 59, 605, 87, 165, 109, 417, 403, 100, 57, 778, 719, 79, 12, 83, 450 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Conjecture: No term is zero.

LINKS

Table of n, a(n) for n=2..65.

PROG

(PARI) a(n)=for(i=1, 1000, if(isprime(floor((n^n)/i)), print1(i, ", "); break()))

CROSSREFS

Cf. A090526, A090527, A090528.

Sequence in context: A213990 A275429 A222878 * A328455 A265530 A309477

Adjacent sequences:  A090522 A090523 A090524 * A090526 A090527 A090528

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Dec 07 2003

STATUS

approved

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Last modified May 26 20:51 EDT 2022. Contains 354092 sequences. (Running on oeis4.)