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A090436
Denominators used to compute the column sequences of triangle A090217.
2
1, 5, 100, 27500, 687500, 7075062500, 3594287401375000, 81456034414253835114625000, 35683959264371194185124824344091625000, 140789696830026154896057937831705061406034875000
OFFSET
1,2
COMMENTS
a(n) = lcm(seq(denominator(a(n,m)),m=1..n)) with the a(n,m) formula given in A090435(n,m) but without the D(n) factor in front and lcm denotes the least common multiple of a set of numbers.
CROSSREFS
Sequence in context: A123668 A336427 A197200 * A140616 A087456 A081220
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Dec 01 2003
STATUS
approved