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 A135602 Right-angled numbers with an internal digit as the vertex. 11
 101, 121, 212, 232, 323, 343, 434, 454, 545, 565, 656, 676, 767, 787, 878, 898, 989, 1012, 1210, 1232, 2101, 2123, 2321, 2343, 3212, 3234, 3432, 3454, 4323, 4345, 4543, 4565, 5434, 5456, 5654, 5676, 6545, 6567, 6765, 6787, 7656, 7678 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The structure of digits represent an right angle. The vertex is an internal digit. In the graphic representation the points are connected by imaginary line segments from left to right. This sequence is finite. The last member has 19 digits: 9876543210123456789. LINKS Jens Kruse Andersen, Table of n, a(n) for n = 1..525 EXAMPLE Illustration using the last member of this sequence: 9 . . . . . . . . . . . . . . . . . 9 . 8 . . . . . . . . . . . . . . . 8 . . . 7 . . . . . . . . . . . . . 7 . . . . . 6 . . . . . . . . . . . 6 . . . . . . . 5 . . . . . . . . . 5 . . . . . . . . . 4 . . . . . . . 4 . . . . . . . . . . . 3 . . . . . 3 . . . . . . . . . . . . . 2 . . . 2 . . . . . . . . . . . . . . . 1 . 1 . . . . . . . . . . . . . . . . . 0 . . . . . . . . . CROSSREFS Cf. A134810, A134853, A134941, A134970, A135641, A135642, A135643, A135600, A135601, A135603. Sequence in context: A046075 A088882 A261453 * A095635 A060916 A075793 Adjacent sequences:  A135599 A135600 A135601 * A135603 A135604 A135605 KEYWORD base,fini,full,nonn AUTHOR Omar E. Pol, Dec 02 2007 STATUS approved

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Last modified October 31 15:39 EDT 2020. Contains 338110 sequences. (Running on oeis4.)