id:A025756 - OEIS Search Results

Search: id:A025756

Displaying 1-1 of 1 results found.

page 1

3rd order Vatalan numbers (generalization of Catalan numbers).

+0
2

1, 1, 4, 22, 139, 949, 6808, 50548, 384916, 2988418, 23559826, 188061592, 1516680130, 12337999870, 101111413540, 833914857316, 6916004156083, 57638242134229, 482444724374734, 4053815358183454, 34181335453533439 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.`
	FORMULA	`G.f.: ${3\over {2+\root 3 \of {1-9x}}}$`
	CROSSREFS	`a(n), n >= 1, = row sums of triangle A048966.` `Sequence in context: A091638 A142984 A097593 this_sequence A002293 A003287 A077056` `Adjacent sequences: A025753 A025754 A025755 this_sequence A025757 A025758 A025759`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research