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Search: id:A079323
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A079323 First number in a sequence of 4 consecutive economical numbers. +0
1
179210312, 10189653632, 11306629375, 12372501247, 12450928125, 16064890623 (list; graph; listen)
OFFSET

1,1

EXAMPLE

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.

CROSSREFS

Cf. A047738.

Sequence in context: A093046 A127955 A047738 this_sequence A061440 A064593 A084304

Adjacent sequences: A079320 A079321 A079322 this_sequence A079324 A079325 A079326

KEYWORD

hard,nonn

AUTHOR

Sudipta Das (juitech(AT)vsnl.net), Feb 12 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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