id:A138917 - OEIS Search Results

Search: id:A138917

Displaying 1-1 of 1 results found.

page 1

Primes of the form (7^n - 3^n)/4.

+0
1

79, 205339, 2849723505777919, 32630698480032300363207829406924223200028691707999878933118763629424475875983590\ 509549306981, 12758019174719520292430931245931420865599958849594442620789649422474994640573352\ 6219402133007132444053184501199 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`a={}; Do[p=(7^n-3^n)/4; If[PrimeQ[p], AppendTo[a, p]], {n, 0, 13^2}]; a`
	CROSSREFS	`Cf. A128024.` `Sequence in context: A123814 A145317 A023343 this_sequence A116327 A060711 A128472` `Adjacent sequences: A138914 A138915 A138916 this_sequence A138918 A138919 A138920`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Orlovsky (4vladimir(AT)gmail.com), May 16 2008`

page 1

Search completed in 0.002 seconds

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research