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Search: id:A157427
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| A157427 |
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Lower left-hand y-coordinates of invisible 1x1 squares with 0 < x < y. |
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+0
4
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| 14, 14, 20, 44, 39, 45, 21, 34, 50, 75, 21, 77, 44, 54, 39, 65, 90, 74, 45, 69, 34, 84, 56, 76, 50, 84, 111, 33, 119, 105, 69, 75, 95, 152, 14, 20, 55, 74, 110, 33, 153, 140, 14, 35, 56, 132, 174, 20, 35, 90
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Eric Weisstein's World of Mathematics, Visible Point
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EXAMPLE
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{20, 14}, {35, 14}, {35, 20}, {54, 44}, {65, 39}, {69, 45}, {77, 21}, {84, 34}, {84, 50}, {95, 75}, ...
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CROSSREFS
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Cf. A157426,A157428,A157429.
Sequence in context: A010853 A031167 A105707 this_sequence A003905 A099203 A040183
Adjacent sequences: A157424 A157425 A157426 this_sequence A157428 A157429 A157430
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KEYWORD
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nonn
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AUTHOR
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E. W. Weisstein (eric(AT)weisstein.com), Mar 01, 2009
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