id:A158035 - OEIS Search Results

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2 * A158034 + 1, prime numbers p for which f = (2^p - 2^((p - 1) / 2 + 1) + 4p^2 - 8p) / (2p^2 - 2p) is an integer

+0
8

7, 23, 47, 167, 263, 359, 383, 479, 487, 503, 719, 839, 863, 887, 983, 1319, 1367, 1439, 1487, 1783, 1823, 2039, 2063, 2207, 2447, 2879, 2903, 2999, 3023, 3079, 3119, 3167, 3623, 3863, 4007, 4079, 4127, 4423, 4679, 4703, 4799, 4919, 5023, 5087, 5399, 5639 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`(p - 1) / 2 is often prime.`
	CROSSREFS	`Cf. A158034` `Cf. A002515 (Lucasian primes)` `Cf. A145918 (exponential Sophie Germain primes)` `Cf. A046318, A139876 (related to composite members of A158034: 243, 891, 1539, and 2511)` `Sequence in context: A073577 A139830 A153210 this_sequence A101789 A162290 A062725` `Adjacent sequences: A158032 A158033 A158034 this_sequence A158036 A158037 A158038`
	KEYWORD	`easy,nonn`
	AUTHOR	`Reikku Kulon (reikku(AT)gmail.com), Mar 11 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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