A033943 - OEIS

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A033943

Sum of coefficients of a polynomial associated to a family of digraphs.

1, 1, 3, 13, 33, 81, 189 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	REFERENCES	`Paper in preparation (1998).`
	LINKS	`Table of n, a(n) for n=0..6.`
	CROSSREFS	`Sequence in context: A146230 A166805 A252979 * A026084 A211801 A016061` `Adjacent sequences: A033940 A033941 A033942 * A033944 A033945 A033946`
	KEYWORD	`nonn`
	AUTHOR	`Ottavio D'Antona (dantona(AT)dsi.unimi.it)`
	STATUS	`approved`

Last modified February 20 22:51 EST 2019. Contains 320362 sequences. (Running on oeis4.)