id:A038297 - OEIS Search Results

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Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*7^j.

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1, 9, 7, 81, 126, 49, 729, 1701, 1323, 343, 6561, 20412, 23814, 12348, 2401, 59049, 229635, 357210, 277830, 108045, 16807, 531441, 2480058, 4822335, 5000940, 2917215, 907578, 117649, 4782969, 26040609, 60761421, 78764805 (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: A131724 A124050 A107663 this_sequence A144622 A069242 A071063` `Adjacent sequences: A038294 A038295 A038296 this_sequence A038298 A038299 A038300`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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