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Search: id:A089256
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| A089256 |
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Numbers n such that decimal expansion of n^2 has the form D 0 (D+1) for some number D. |
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+0
1
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| 155, 274, 2191, 104579630, 142857142, 189126664, 195488721, 241758243, 280035755
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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No more terms < sqrt(5)*10^9. - David Wasserman (wasserma(AT)spawar.navy.mil), Aug 31 2005
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EXAMPLE
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2191^2=4800481 = 480 0 481
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CROSSREFS
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Sequence in context: A159639 A159258 A122475 this_sequence A112136 A119609 A063340
Adjacent sequences: A089253 A089254 A089255 this_sequence A089257 A089258 A089259
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KEYWORD
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nonn,base
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AUTHOR
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Yalcin Aktar (aktaryalcin(AT)msn.com), Dec 12 2003
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EXTENSIONS
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More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Aug 31 2005
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