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A139231 First differences of Mersenne primes A000668. +0
11
4, 24, 96, 8064, 122880, 393216, 2146959360 (list; graph; listen)
OFFSET

1,1

LINKS

O. E. Pol, Determinacion geometrica de los numeros primos y perfectos".

FORMULA

a(n) = A000668(n+1) - A000668(n).

EXAMPLE

a(1)=4 because A000668(1)=3 and A000668(2)=7 then 7-3 = 4.

CROSSREFS

Cf. A000668, A139228, A139229, A139230, A139232, A139233, A139234, A139235, A139236, A139237.

Sequence in context: A119920 A100738 A139238 this_sequence A052462 A048806 A043009

Adjacent sequences: A139228 A139229 A139230 this_sequence A139232 A139233 A139234

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Apr 18 2008

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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