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Search: id:A073618
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| A073618 |
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Consider Pascal's triangle A007318; a(n) = LCM of terms at +45 degree slope with the horizontal. |
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+0
2
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| 1, 1, 1, 2, 3, 12, 30, 60, 210, 840, 1260, 2520, 13860, 27720, 180180, 360360, 180180, 720720, 6126120, 12252240, 116396280, 232792560, 116396280, 232792560, 2677114440, 5354228880, 13385572200, 26771144400, 40156716600, 80313433200
(list; graph; listen)
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OFFSET
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0,4
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EXAMPLE
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The ninth diagonal is 1,7,15,10,1 and the LCM of the terms = 210 hecne a(8) = 30.
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CROSSREFS
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Cf. A073617.
Sequence in context: A089414 A048085 A069062 this_sequence A025560 A109489 A105401
Adjacent sequences: A073615 A073616 A073617 this_sequence A073619 A073620 A073621
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 07 2002
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 22 2003
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