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 A153096 Table T(n,3) read by rows: T(n,1)*T(n,2)^n*(T(n,2)^n-1)+T(n,3) is the smallest possible prime with 1
 1, 2, 1, 1, 2, -1, 1, 3, -1, 1, 2, -1, 1, 2, -1, 1, 3, -1, 1, 3, -1, 1, 5, 1, 1, 2, -1, 1, 2, -1, 4, 2, -1, 1, 3, 1, 2, 8, 1, 1, 7, -1, 1, 5, -1, 1, 4, 1, 4, 2, -1, 1, 2, -1, 1, 4, -1, 1, 3, -1, 3, 6, -1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..63. Pierre CAMI, The first 1000 rows of the table EXAMPLE 1*2^1*(2^1-1)+1=3 prime so A(n,1)=1,A(n,2)=2,A(n,3)=1 CROSSREFS A152414, A153090, A153091, A153092, A153093, A153094, A153095 Sequence in context: A213852 A051064 A280509 * A343407 A359236 A320010 Adjacent sequences: A153093 A153094 A153095 * A153097 A153098 A153099 KEYWORD tabf,sign AUTHOR Pierre CAMI, Dec 18 2008 STATUS approved

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Last modified September 30 18:49 EDT 2023. Contains 365793 sequences. (Running on oeis4.)