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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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1
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0, 3, 16, 125, 1116, 12943, 182400, 3080025, 60524200, 1357997531, 34237168560, 957927505717, 29446184348868, 986272776455415, 35746439807927296, 1393753996031259953, 58165330905054360720, 2586788074128361802419
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listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..17.
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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: A351423 A188417 A327826 * A000950 A320254 A245012
Adjacent sequences: A157454 A157455 A157456 * 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, 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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STATUS
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approved
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