id:A038275 - OEIS Search Results

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

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1, 7, 9, 49, 126, 81, 343, 1323, 1701, 729, 2401, 12348, 23814, 20412, 6561, 16807, 108045, 277830, 357210, 229635, 59049, 117649, 907578, 2917215, 5000940, 4822335, 2480058, 531441, 823543, 7411887, 28588707, 61261515 (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: A007449 A067649 A025631 this_sequence A088801 A087336 A137058` `Adjacent sequences: A038272 A038273 A038274 this_sequence A038276 A038277 A038278`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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