id:A098102 - OEIS Search Results

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Numbers of the form 2^(p - 1) - 1) - 1 where p is prime.

+0
2

1, 3, 15, 63, 1023, 4095, 65535, 262143, 4194303, 268435455, 1073741823, 68719476735, 1099511627775, 4398046511103, 70368744177663, 4503599627370495, 288230376151711743, 1152921504606846975 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`(2^5 - 1) - (2^(5-1)) = 2^((7-1)-1)-1 = 2^5-1 = 15`
	MATHEMATICA	`Table[2^(Prime[n - 1] - 1) - 1, {n, 2, 20}]`
	CROSSREFS	`Cf. A097743, A000225.` `Sequence in context: A083858 A151241 A080948 this_sequence A144067 A001447 A106732` `Adjacent sequences: A098099 A098100 A098101 this_sequence A098103 A098104 A098105`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 22 2004`
	EXTENSIONS	`Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 23 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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