id:A013616 - OEIS Search Results

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Triangle of coefficients in expansion of (1+9x)^n.

+0
2

1, 1, 9, 1, 18, 81, 1, 27, 243, 729, 1, 36, 486, 2916, 6561, 1, 45, 810, 7290, 32805, 59049, 1, 54, 1215, 14580, 98415, 354294, 531441, 1, 63, 1701, 25515, 229635, 1240029, 3720087, 4782969, 1, 72, 2268, 40824, 459270, 3306744, 14880348 (list; table; graph; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: 1 / [1 - x(1+9y)].`
	CROSSREFS	`Sequence in context: A014721 A054018 A010170 this_sequence A092477 A019433 A050312` `Adjacent sequences: A013613 A013614 A013615 this_sequence A013617 A013618 A013619`
	KEYWORD	`tabl,nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.

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