id:A130188 - OEIS Search Results

Search: id:A130188

Displaying 1-1 of 1 results found.

page 1

Denominators of rationals r(n) related to the z-sequence of the Sheffer matrix A060821 for Hermite polynomials.

+0
2

1, 4, 4, 32, 16, 64, 64, 1024, 256, 1024, 1024, 8192, 4096, 16384, 16384, 524288, 65536, 262144, 262144, 2097152, 1048576, 4194304, 4194304, 67108864, 16777216, 67108864, 67108864, 536870912, 268435456, 1073741824 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Numerators are A130187.` `See A130187 for details on r(n):= A130187(n)/a(n) and the corresponding z-sequence for the Hermite matrix A060821.`
	FORMULA	`a(n)=denominator(-2z(2n+1)), n>=0, with the e.g.f. for z(n) given in A130187.`
	CROSSREFS	`Adjacent sequences: A130185 A130186 A130187 this_sequence A130189 A130190 A130191` `Sequence in context: A120030 A138504 A002611 this_sequence A001443 A089542 A105350`
	KEYWORD	`nonn,frac,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jun 01 2007`

page 1

Search completed in 0.002 seconds

Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research