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A037130 Nextprime(4^n)-nextprime(2^n). 0
0, 2, 12, 56, 240, 994, 4032, 16280, 65280, 261626, 1047552, 4192266, 16773160, 67100670, 268419048, 1073709056, 4294901774, 17179738108, 68719214620, 274877382642, 1099510579208, 4398044413950, 17592181850104 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A194771 A127221 A020522 * A181298 A247121 A078543

Adjacent sequences:  A037127 A037128 A037129 * A037131 A037132 A037133

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)