id:A032112 - OEIS Search Results

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"BIJ" (reversible, indistinct, labeled) transform of 2,1,1,1...

+0
2

2, 5, 31, 276, 3111, 42143, 666128, 12033346, 244550149, 5522134317, 137163540306, 3716712490472, 109104171183047, 3449120959632091, 116825788063473052, 4220828797872750510, 162026366682646437513 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`C. G. Bower, Transforms (2)`
	FORMULA	`Numbers so far suggest that a(n) = (A006155(n)+1)/2. - Ralf Stephan, Mar 12 2004`
	CROSSREFS	`Sequence in context: A077483 A119242 A068145 this_sequence A058009 A097396 A056788` `Adjacent sequences: A032109 A032110 A032111 this_sequence A032113 A032114 A032115`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.

AT&T Labs Research