id:A084400 - OEIS Search Results

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a(1) = 1; for n>1, a(n) = smallest number that does not divide the product of all previous terms.

+0
7

1, 2, 3, 4, 5, 7, 9, 11, 13, 16, 17, 19, 23, 25, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`All numbers of the form p^(2^k) are members.` `Except for the first term, same as A050376. - David Wasserman (wasserma(AT)spawar.navy.mil), Dec 22 2004`
	CROSSREFS	`Cf. A000040 (primes), A026416, A000028, A066724, A026477, A050376.` `Sequence in context: A009087 A026477 A079852 this_sequence A050376 A050198 A158923` `Adjacent sequences: A084397 A084398 A084399 this_sequence A084401 A084402 A084403`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 31 2003`
	EXTENSIONS	`More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 05 2003.`

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

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