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Search: id:A157457
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| A157457 |
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Read n-th row of triangle in A157458 and regard it as the expansion of a number in base n+1. |
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+0
2
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| 0, 3, 16, 125, 1116, 12943, 182400, 3080025, 60524200, 1357997531, 34237168560, 957927505717, 29446184348868, 986272776455415, 35746439807927296, 1393753996031259953, 58165330905054360720, 2586788074128361802419
(list; graph; listen)
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OFFSET
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0,2
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MATHEMATICA
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t[n_, m_] =Min[1 + 2*m, 1 + 2*(n - m), n];
Table[FromDigits[{Table[t[n, m], {m, 0, n}], n + 1}, n + 1], {n, 0, 20}]
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CROSSREFS
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Cf. A139038, A003983, A157458.
Sequence in context: A087018 A005119 A090135 this_sequence A000950 A000951 A000272
Adjacent sequences: A157454 A157455 A157456 this_sequence A157458 A157459 A157460
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Mar 01 2009
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EXTENSIONS
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Edited by N. J. A. Sloane, Aug 27 2009
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