id:A038224 - OEIS Search Results

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

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1, 3, 6, 9, 36, 36, 27, 162, 324, 216, 81, 648, 1944, 2592, 1296, 243, 2430, 9720, 19440, 19440, 7776, 729, 8748, 43740, 116640, 174960, 139968, 46656, 2187, 30618, 183708, 612360, 1224720, 1469664, 979776, 279936, 6561, 104976 (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: A067862 A062927 A045638 this_sequence A133195 A103978 A073910` `Adjacent sequences: A038221 A038222 A038223 this_sequence A038225 A038226 A038227`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`njas`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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