id:A098815 - OEIS Search Results

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2^p - 7 where p is prime.

+0
2

-3, 1, 25, 121, 2041, 8185, 131065, 524281, 8388601, 536870905, 2147483641, 137438953465, 2199023255545, 8796093022201, 140737488355321, 9007199254740985, 576460752303423481, 2305843009213693945, 147573952589676412921, 2361183241434822606841 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Ramanujan's Square Equation`
	EXAMPLE	`If p = 3, then 2^3 - 7 = 1` `If p = 5, then 2^5 - 7 = 25`
	MATHEMATICA	`Table[2^Prime[n] - 7, {n, 20}]`
	CROSSREFS	`Sequence in context: A072271 A104033 A156654 this_sequence A033464 A113099 A027495` `Adjacent sequences: A098812 A098813 A098814 this_sequence A098816 A098817 A098818`
	KEYWORD	`sign`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 07 2004`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 14 2004`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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