id:A133398 - OEIS Search Results

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Numbers that are not Mersenne primes.

+0
4

1, 2, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Numbers that are not in A000668.` `Terms a(1) to a(2042) coincide with those of A138836, but then a(2043)=2047 <> A138836(2043)=2048.`
	CROSSREFS	`Cf. A000037, A014092. Mersenne primes: A000668.` `Cf. A138836.` `Adjacent sequences: A133395 A133396 A133397 this_sequence A133399 A133400 A133401` `Sequence in context: A039057 A092058 A134532 this_sequence A138836 A059921 A062289`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Nov 22 2007, Apr 05 2008`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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