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Search: id:A079323
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| A079323 |
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First number in a sequence of 4 consecutive economical numbers. |
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+0
1
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| 179210312, 10189653632, 11306629375, 12372501247, 12450928125, 16064890623
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(2) = 10189653632 because 10189653632 ( = 2^7 * 79606669), 10189653633 ( = 3^6 * 733 * 19069), 10189653634 ( = 2 * 227^2 * 98873), 10189653635 ( = 5 * 7^3 * 5941489) form a sequence of 4 consecutive economical numbers.
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CROSSREFS
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Cf. A047738.
Adjacent sequences: A079320 A079321 A079322 this_sequence A079324 A079325 A079326
Sequence in context: A093046 A127955 A047738 this_sequence A061440 A064593 A084304
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KEYWORD
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hard,nonn
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AUTHOR
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Sudipta Das (juitech(AT)vsnl.net), Feb 12 2003
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