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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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3
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, Visible Point
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EXAMPLE
| {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
| Cf. A157426,A157428,A157429.
Sequence in context: A010853 A186128 A105707 * A003905 A205702 A099203
Adjacent sequences: A157424 A157425 A157426 * A157428 A157429 A157430
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KEYWORD
| nonn
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AUTHOR
| E. W. Weisstein (eric(AT)weisstein.com), Mar 01, 2009
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