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Search: id:A013602
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A013602 nextprime(4^n)-4^n. +0
6
1, 1, 1, 3, 1, 7, 3, 27, 1, 3, 7, 15, 43, 15, 3, 3, 15, 25, 31, 7, 15, 15, 7, 15, 21, 55, 21, 159, 81, 69, 33, 135, 13, 9, 33, 25, 15, 37, 15, 7, 13, 9, 3, 27, 7, 133, 25, 129, 61, 7, 277, 267, 111, 99, 33, 27, 25, 43, 33, 25, 451, 277, 67, 7, 51, 169, 67, 27, 85, 87 (list; graph; listen)
OFFSET

0,4

MAPLE

seq(nextprime(4^i)-4^i, i=0..100);

CROSSREFS

Sequence in context: A083239 A095868 A140962 this_sequence A086272 A104709 A110814

Adjacent sequences: A013599 A013600 A013601 this_sequence A013603 A013604 A013605

KEYWORD

nonn

AUTHOR

James Kilfiger (mapdn(AT)csv.warwick.ac.uk)

page 1

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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