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A099399 Denominators of rationals (in lowest terms) used in a certain high temperature expansion. 1
1, 6, 16, 32, 384, 256, 4096, 24576, 32768, 65536, 1572864, 1048576, 4194304, 25165824, 268435456, 536870912, 2147483648, 4294967296, 34359738368, 68719476736, 274877906944, 549755813888, 8796093022208, 17592186044416 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The numerators and details are given in A099398.

a(n)=denominator(A(n)) with the rationals A(n) defined in A099398.

LINKS

Table of n, a(n) for n=0..23.

Isabel Cação, Helmuth R. Malonek, Maria Irene Falcão, Graça Tomaz, Combinatorial Identities Associated with a Multidimensional Polynomial Sequence, J. Int. Seq., Vol. 21 (2018), Article 18.7.4.

EXAMPLE

Rationals A(n), n>=0: 1/1 = 1, 1/6, 1/16, 1/32, 7/384, ...

CROSSREFS

Sequence in context: A171494 A201055 A071857 * A118014 A236773 A131820

Adjacent sequences:  A099396 A099397 A099398 * A099400 A099401 A099402

KEYWORD

nonn,frac,easy

AUTHOR

Wolfdieter Lang, Nov 10 2004

STATUS

approved

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Last modified February 24 05:20 EST 2020. Contains 332199 sequences. (Running on oeis4.)