A135143 - OEIS

A135143

Values of A020482 where A020482(m) != A060308(m-1).

79, 109, 109, 137, 179, 197, 197, 239, 281, 283, 277, 313, 313, 317, 349, 379, 397, 401, 419, 439, 463, 457, 487, 499, 521, 521, 509, 569, 617, 617, 659, 673, 683, 691, 701, 709, 739, 757, 769, 769, 773, 787, 809, 827, 829, 823, 859, 859, 883, 883, 877

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OFFSET

1,1

COMMENTS

Usually the greatest p with p,q both prime, p+q = 2m, is equal to the largest prime <= 2m-2, but not always. These are the exceptions.

LINKS

Table of n, a(n) for n=1..51.

CROSSREFS

Cf. A020482, A060308.

Sequence in context: A112795 A107162 A238186 * A139503 A134240 A052162

Adjacent sequences: A135140 A135141 A135142 * A135144 A135145 A135146

KEYWORD

nonn

AUTHOR

Harry J. Smith, Nov 20 2007

STATUS

approved