id:A036217 - OEIS Search Results

Search: id:A036217

Displaying 1-1 of 1 results found.

page 1

Expansion of 1/(1-3*x)^5; 5-fold convolution of A000244 (powers of 3).

+0
2

1, 15, 135, 945, 5670, 30618, 153090, 721710, 3247695, 14073345, 59108049, 241805655, 967222620, 3794488740, 14635885140, 55616363532, 208561363245, 772903875555, 2833980877035, 10291825290285, 37050571045026 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n)=A027465(n+5,5) (O. Gerard's triangle).`
	FORMULA	`a(n) = 3^nbinomial(n+4, 4); G.f. 1/(1-3x)^5.`
	CROSSREFS	`A000244, A027465.` `Adjacent sequences: A036214 A036215 A036216 this_sequence A036218 A036219 A036220` `Sequence in context: A027630 A027629 A023013 this_sequence A022643 A125378 A126536`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

page 1

Search completed in 0.002 seconds

Last modified May 22 15:55 EDT 2008. Contains 140006 sequences.

AT&T Labs Research