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A054461 Primes of the form (n+1)^n + n^(n-1), n >= 1. 0
3, 11, 73, 45143873, 1043046721, 1182114430632237601, 49814113380273715457 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Sum of reciprocals (omitting the 3) = 0.1046077441562072936197025883... Next term for n=219 is too large for the database.

Generated by n= 1, 2, 3, 8, 9, 15, 16, 219, ...

PROG

(PARI) xp1toxm1(n)= { forstep(x=2, n, 1, y=(x+1)^x + x^(x-1); if(isprime(y), print1(y" ")) ) }

CROSSREFS

Sequence in context: A056665 A127716 A035378 * A203772 A181388 A196691

Adjacent sequences:  A054458 A054459 A054460 * A054462 A054463 A054464

KEYWORD

nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Aug 30 2003

EXTENSIONS

Leading  prime 3 added by Michel Lagneau, Nov 17 2010

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.