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A135641
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Convex numbers.
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8
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100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 112, 113, 114, 115, 116, 117, 118, 119, 124, 125, 126, 127, 128, 129, 136, 137, 138, 139, 148, 149, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 211, 212, 213, 214, 215, 216, 217
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The structure of digits represent a convex function or a convex object. In the graphic representation the points are connected by imaginary line segments (or line curves) from left to right.
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EXAMPLE
| The number 742235 is a convex number.
. . . . . .
. . . . . .
7 . . . . .
. . . . . .
. . . . . 5
. 4 . . . .
. . . . 3 .
. . 2 2 . .
. . . . . .
. . . . . .
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CROSSREFS
| Sequence in context: A000865 A135600 A134999 * A169737 A070794 A090429
Adjacent sequences: A135638 A135639 A135640 * A135642 A135643 A135644
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KEYWORD
| nonn,base
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Nov 30 2007
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