A171873 - OEIS

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A171873

Column sums of triangle A171871

1, 1, 2, 10, 280, 1173468 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	COMMENTS	`Next term is known to be greater than 220146725295227, based on link between A171871 and A039754.`
	LINKS	`Table of n, a(n) for n=0..5.` `R. Munafo, Classifications of N Elements`
	CROSSREFS	`Sequence in context: A260231 A003047 A028580 * A098706 A143249 A161181` `Adjacent sequences: A171870 A171871 A171872 * A171874 A171875 A171876`
	KEYWORD	`nonn`
	AUTHOR	`Robert Munafo, Jan 21 2010`
	STATUS	`approved`

Last modified August 18 14:09 EDT 2017. Contains 290720 sequences.