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Search: id:A090436
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| A090436 |
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Denominators used to compute the column sequences of triangle A090217. |
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+0
3
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| 1, 5, 100, 27500, 687500, 7075062500, 3594287401375000, 81456034414253835114625000, 35683959264371194185124824344091625000, 140789696830026154896057937831705061406034875000
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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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.
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CROSSREFS
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Adjacent sequences: A090433 A090434 A090435 this_sequence A090437 A090438 A090439
Sequence in context: A078534 A141120 A123668 this_sequence A140616 A087456 A081220
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 01 2003
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