

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 * A338164 A118014 A236773
Adjacent sequences: A099396 A099397 A099398 * A099400 A099401 A099402


KEYWORD

nonn,frac,easy


AUTHOR

Wolfdieter Lang, Nov 10 2004


STATUS

approved



