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A101023
Table of denominators of coefficients of certain rational polynomials.
1
1, 1, 6, 1, 3, 45, 1, 2, 15, 70, 1, 3, 15, 35, 1575, 1, 6, 9, 7, 315, 2079, 1, 1, 3, 7, 105, 693, 21021, 1, 6, 15, 2, 45, 99, 3003, 6435, 1, 3, 45, 5, 45, 297, 3003, 6435, 984555, 1, 2, 5, 5, 25, 33, 1001, 715, 109395, 1154725, 1, 3, 1, 7, 15, 33, 1001, 429, 21879, 230945
OFFSET
1,3
FORMULA
a(n, m)= denominator(R(n, x)[x^m]), m=0, ..., n, n>=0,
a(n, m)= denominator(r(n, m)) with the triangle of rational numbers r(n, m) defined in A101022.
CROSSREFS
The table of numerators is given in A101022.
Sequence in context: A181552 A294347 A229606 * A195303 A354857 A371348
KEYWORD
nonn,frac,tabl,easy
AUTHOR
Wolfdieter Lang, Nov 30 2004
STATUS
approved