id:A038222 - OEIS Search Results

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Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*4^j.

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2

1, 3, 4, 9, 24, 16, 27, 108, 144, 64, 81, 432, 864, 768, 256, 243, 1620, 4320, 5760, 3840, 1024, 729, 5832, 19440, 34560, 34560, 18432, 4096, 2187, 20412, 81648, 181440, 241920, 193536, 86016, 16384, 6561, 69984, 326592, 870912, 1451520 (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: A032789 A089243 A034921 this_sequence A038629 A105229 A080849` `Adjacent sequences: A038219 A038220 A038221 this_sequence A038223 A038224 A038225`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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