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Search: id:A069021
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| A069021 |
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Start of the first occurrence of n consecutive numbers divisible by a square. |
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+0
3
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| 1, 8, 48, 242, 844, 22020, 217070, 1092747, 8870024, 221167422, 221167422, 47255689915, 82462576220, 1043460553364, 79180770078548, 3215226335143218, 23742453640900972
(list; graph; listen)
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OFFSET
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0,2
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MAPLE
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a = {1, 1}; k = 4; Do[ While[ Min[a] < 2, k++; a = Drop[a, 1]; a = Append[ a, Max[ Transpose[ FactorInteger[k]] [[2]] ]]]; Print[k - n + 1]; k++; a = Append[ a, Max[ Transpose[ FactorInteger[k]] [[2]] ]], {n, 2, 9}]
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CROSSREFS
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Apart from first term, identical to A045882.
Sequence in context: A087914 A081084 A073390 this_sequence A079763 A079785 A002697
Adjacent sequences: A069018 A069019 A069020 this_sequence A069022 A069023 A069024
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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), Apr 02 2002
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