A025183 - OEIS

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A025183

a(n) = T(2n-1,n), where T is the array defined in A025177.

1, 4, 20, 111, 616, 3465, 19668, 112476, 647088, 3741156, 21718520, 126520240, 739225704, 4330188265, 25421864580, 149541718275, 881200519200, 5200715525016, 30736780735752, 181886951796886 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A006770 A158827 A026156 * A014523 A153299 A081335` `Adjacent sequences: A025180 A025181 A025182 * A025184 A025185 A025186`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 16 18:43 EST 2012. Contains 205939 sequences.