id:A053177 - OEIS Search Results

Search: id:A053177

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Composite numbers produced in A053176.

+0
2

15, 27, 35, 39, 63, 75, 87, 95, 119, 123, 135, 143, 147, 159, 195, 203, 207, 215, 219, 255, 275, 279, 299, 303, 315, 327, 335, 363, 387, 395, 399, 423, 447, 455, 459, 483, 515, 527, 539, 543, 555, 567, 615, 623, 627, 635, 663, 675, 695, 699, 707, 735, 747 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`From the composite, subtract 1, divide by 2 and result is a prime.`
	EXAMPLE	`a(3)=35 and 35-1=34, 34/2=17, prime.`
	CROSSREFS	`Sequence in context: A080946 A110703 A091236 this_sequence A145195 A096022 A097222` `Adjacent sequences: A053174 A053175 A053176 this_sequence A053178 A053179 A053180`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Feb 29 2000`

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

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