A099399 Denominators of rationals (in lowest terms) used in a certain high temperature expansion.

1, 6, 16, 32, 384, 256, 4096, 24576, 32768, 65536, 1572864, 1048576, 4194304, 25165824, 268435456, 536870912, 2147483648, 4294967296, 34359738368, 68719476736, 274877906944, 549755813888, 8796093022208, 17592186044416

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 * A338164 A118014 A361230

Adjacent sequences: A099396 A099397 A099398 * A099400 A099401 A099402

Keyword

nonn,frac,easy

Author

Wolfdieter Lang, Nov 10 2004

Status

approved