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 A161473 Primes of the form k^(k+1)+(k+1)^k. 1
 3, 17, 14612087592038378751152858509524512533536096028044190178822935218486730194880516808459166772134240378240755073828170296740373082348622309614668344831750401 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The associated k are in A073499. [R. J. Mathar, Jun 12 2009] LINKS Jeppe Stig Nielsen, Table of n, a(n) for n = 1..4 FORMULA A051442 INTERSECT A000040. [R. J. Mathar, Jun 12 2009] EXAMPLE 2^1+1^2=3. 2^3+3^2=17. MATHEMATICA lst={}; Do[p=n^(n+1)+(n+1)^n; If[PrimeQ[p], AppendTo[lst, p]], {n, 2*5!}]; lst CROSSREFS Sequence in context: A051710 A215913 A162713 * A208493 A082056 A082057 Adjacent sequences: A161470 A161471 A161472 * A161474 A161475 A161476 KEYWORD nonn,bref AUTHOR Vladimir Joseph Stephan Orlovsky, Jun 10 2009 EXTENSIONS Definition simplified by R. J. Mathar, Jun 12 2009 STATUS approved

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Last modified September 8 00:04 EDT 2024. Contains 375749 sequences. (Running on oeis4.)