A134458 - OEIS

A134458

First differences of A000043.

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, 5487134, 468808, 14772552

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OFFSET

1,2

COMMENTS

Differences between exponents of Mersenne primes.

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

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

Sequence in context: A137316 A064851 A305353 * A193819 A356790 A182786

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

a(45)-a(46) from Ivan Panchenko, Apr 11 2018

a(47) from Rodolfo Ruiz-Huidobro, May 16 2024

STATUS

approved