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A088554 Primes of the form (5^x-1)/4 or (5^x+3)/4. 0
2, 7, 31, 157, 3907, 19531, 2441407, 12207031, 61035157, 305175781, 9313225746154785157, 177635683940025046467781066894531 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A181066 A325452 A030945 * A107595 A193320 A030882
KEYWORD
nonn
AUTHOR
Cino Hilliard, Nov 17 2003
EXTENSIONS
Edited by Don Reble, May 03 2006
STATUS
approved

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Last modified March 19 06:05 EDT 2024. Contains 370952 sequences. (Running on oeis4.)