login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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; internal format)
OFFSET

2,1

COMMENTS

Conjecture: No term is zero.

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: A027623 A037234 A141651 * A126806 A121871 A194638

Adjacent sequences:  A090522 A090523 A090524 * A090526 A090527 A090528

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 07 2003

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 13:08 EST 2012. Contains 205623 sequences.