id:A135420 - OEIS Search Results

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4^n*5^(n^2).

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1, 20, 10000, 125000000, 39062500000000, 305175781250000000000, 59604644775390625000000000000, 291038304567337036132812500000000000000, 35527136788005009293556213378906250000000000000000 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Hankel transform of A132864 .`
	FORMULA	`a(n)=4^n5^(n^2)=A000302(n)A060758(n).`
	CROSSREFS	`Sequence in context: A135292 A013725 A109122 this_sequence A045811 A086687 A028667` `Adjacent sequences: A135417 A135418 A135419 this_sequence A135421 A135422 A135423`
	KEYWORD	`nonn`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 11 2007`

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

AT&T Labs Research