login
A101025
Table of denominators of coefficients of certain rational polynomials.
1
1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 7, 1, 1, 1, 1, 7, 21, 1, 1, 1, 1, 1, 1, 33, 1, 1, 1, 1, 1, 3, 33, 429, 1, 1, 1, 5, 1, 1, 11, 143, 715, 1, 1, 1, 1, 1, 1, 11, 143, 143, 2431, 1, 1, 1, 1, 1, 1, 1, 13, 13, 221, 4199, 1, 1, 1, 1, 7, 1, 1, 13, 13, 221, 4199, 29393, 1, 1, 1, 1, 7, 7, 1, 1, 1
OFFSET
0,10
FORMULA
a(n, m)= denominator(R(n, x)[x^m]), m=0, ..., n, n=0, 1, ... with the rational polynomials R(n, x) defined in a A101024.
a(n, m)= denominator(r(n, m)) with the rational triangle r(n, m) defined in A101024.
CROSSREFS
The table of numerators is given in A101024.
Sequence in context: A366374 A071020 A046601 * A028315 A074062 A094635
KEYWORD
nonn,frac,tabl,easy
AUTHOR
Wolfdieter Lang, Nov 30 2004
STATUS
approved