id:A038257 - OEIS Search Results

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Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*3^j.

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1, 6, 3, 36, 36, 9, 216, 324, 162, 27, 1296, 2592, 1944, 648, 81, 7776, 19440, 19440, 9720, 2430, 243, 46656, 139968, 174960, 116640, 43740, 8748, 729, 279936, 979776, 1469664, 1224720, 612360, 183708, 30618, 2187, 1679616 (list; table; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.`
	CROSSREFS	`Sequence in context: A073872 A163913 A022666 this_sequence A090138 A088390 A054380` `Adjacent sequences: A038254 A038255 A038256 this_sequence A038258 A038259 A038260`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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

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