id:A133221 - OEIS Search Results

Search: id:A133221

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A001147 with each term repeated.

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2

1, 1, 1, 1, 3, 3, 15, 15, 105, 105, 945, 945, 10395, 10395, 135135, 135135, 2027025, 2027025, 34459425, 34459425, 654729075, 654729075, 13749310575, 13749310575, 316234143225, 316234143225, 7905853580625, 7905853580625, 213458046676875, 213458046676875 (list; graph; listen)

	OFFSET	`0,5`
	COMMENT	`Normally such sequences are excluded from the OEIS, but I have made an exception for this one because so many variants of it have occurred in recent submissions.`
	CROSSREFS	`Sequence in context: A100735 A129356 A055634 this_sequence A110096 A127328 A002891` `Adjacent sequences: A133218 A133219 A133220 this_sequence A133222 A133223 A133224`
	KEYWORD	`nonn`
	AUTHOR	`njas, Oct 13 2007`

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Last modified December 4 20:00 EST 2008. Contains 151309 sequences.

AT&T Labs Research