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A037130
Nextprime(4^n)-nextprime(2^n).
1
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
CROSSREFS
Sequence in context: A194771 A127221 A020522 * A181298 A247121 A078543
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Dec 09 2020
STATUS
approved