id:A127143 - OEIS Search Results

Search: id:A127143

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Value of n where the first match occurs in A127141.

+0
3

0, 2, 5, 6, 8, 14, 20, 21, 27, 29, 30, 38, 39, 45, 47, 48, 53, 56, 59, 62, 63, 68, 72, 77, 92, 96, 101, 104, 107, 119, 123, 126, 128, 137, 140, 144, 158, 164, 167, 176, 177, 203, 218, 222, 236, 246, 249, 254, 276, 279, 296, 314, 318, 321, 336, 348, 356, 359, 369, 374 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Is 2*a(n)+1 always prime?`
	CROSSREFS	`Cf. A127141, A127142.` `Sequence in context: A028796 A019989 A045547 this_sequence A079256 A097685 A136369` `Adjacent sequences: A127140 A127141 A127142 this_sequence A127144 A127145 A127146`
	KEYWORD	`nonn`
	AUTHOR	`Bryan Jacobs (bryanjj(AT)gmail.com), Jan 06 2007`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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