A037130 Nextprime(4^n)-nextprime(2^n).

0, 2, 12, 56, 240, 994, 4032, 16280, 65280, 261626, 1047552, 4192266, 16773160, 67100670, 268419048, 1073709056, 4294901774, 17179738108, 68719214620, 274877382642, 1099510579208, 4398044413950, 17592181850104, 70368735789062, 281474959933418, 1125899873288212

Offset

0,2

Links

Table of n, a(n) for n=0..25.

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.

Extensions

More terms from Sean A. Irvine, Dec 09 2020

Status

approved