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A013605 5^n-prevprime(5^n). 0
2, 2, 12, 6, 4, 6, 4, 44, 16, 6, 12, 12, 52, 2, 4, 62, 16, 102, 16, 26, 54, 54, 36, 38, 64, 2, 12, 42, 16, 102, 18, 72, 42, 68, 256, 18, 52, 84, 234, 54, 34, 72, 274, 266, 36, 14, 4, 56, 162, 2, 24, 122, 6, 14, 94, 446, 72, 56, 298, 384, 28, 26 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MAPLE

seq(5^i-prevprime(5^i), i=1..100);

MATHEMATICA

#-NextPrime[#, -1]&/@(5^Range[70])  (* From Harvey P. Dale, Mar 12 2011 *)

CROSSREFS

Sequence in context: A128269 A109813 A086595 * A073768 A096855 A024538

Adjacent sequences:  A013602 A013603 A013604 * A013606 A013607 A013608

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.