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A134458 First differences of A000043. 2
1, 2, 2, 6, 4, 2, 12, 30, 28, 18, 20, 394, 86, 672, 924, 78, 936, 1036, 170, 5266, 252, 1272, 8724, 1764, 1508, 21288, 41746, 24260, 21546, 84042, 540748, 102594, 398354, 140482, 1577952, 45156, 3951216, 6494324, 7529094, 3040572, 1928368, 4437506, 2180200, 4574010 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Differences between exponents of Mersenne primes.

LINKS

Table of n, a(n) for n=1..44.

CROSSREFS

Mersenne primes (of form 2^p - 1 where p is a prime): A000668, A000043.

Sequence in context: A138565 A137316 A064851 * A193819 A182786 A009279

Adjacent sequences:  A134455 A134456 A134457 * A134459 A134460 A134461

KEYWORD

nonn

AUTHOR

Alessio 'BiGAlex' Periloso (bigalex(AT)bigalex.it), Oct 26 2007

EXTENSIONS

Checked and extended by N. J. A. Sloane, Oct 29 2007

More terms from Derek Maciel, Jan 07 2018

STATUS

approved

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Last modified February 23 13:38 EST 2018. Contains 299581 sequences. (Running on oeis4.)