id:A038215 - OEIS Search Results

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Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*9^j.

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1, 2, 9, 4, 36, 81, 8, 108, 486, 729, 16, 288, 1944, 5832, 6561, 32, 720, 6480, 29160, 65610, 59049, 64, 1728, 19440, 116640, 393660, 708588, 531441, 128, 4032, 54432, 408240, 1837080, 4960116, 7440174, 4782969, 256, 9216, 145152 (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: A065599 A054789 A002508 this_sequence A119019 A127145 A003725` `Adjacent sequences: A038212 A038213 A038214 this_sequence A038216 A038217 A038218`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

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