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A134478
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Triangle read by rows, T(0,0) = 1; n-th row = (n+1) terms of n, n+1, n+2, ...
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3
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1, 1, 2, 2, 3, 4, 3, 4, 5, 6, 4, 5, 6, 7, 8, 5, 6, 7, 8, 9, 10, 6, 7, 8, 9, 10, 11, 12, 7, 8, 9, 10, 11, 12, 13, 14, 8, 9, 10, 11, 12, 13, 14, 15, 16, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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Apart from the irregular choice of T(0,0) the same as A051162. - R. J. Mathar, Mar 28 2012
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LINKS
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G. C. Greubel, Table of n, a(n) for the first 100 rows, flattened
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EXAMPLE
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First few rows of the triangle:
1;
1, 2;
2, 3, 4;
3, 4, 5, 6;
4, 5, 6, 7, 8;
5, 6, 7, 8, 9, 10;
6, 7, 8, 9, 10, 11, 12;
7, 8, 9, 10, 11, 12, 13, 14;
...
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MATHEMATICA
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Join[{1}, Flatten[Table[Range[n, 2n], {n, 10}]]] (* Harvey P. Dale, Nov 21 2014 *)
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PROG
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(PARI) concat([1], for(n=1, 10, for(k=0, n, print1(n+k, ", ")))) \\ G. C. Greubel, Sep 24 2017
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CROSSREFS
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Cf. A051162, A134479 (row sums), A126804 (row products).
Sequence in context: A185977 A204006 A106251 * A051162 A122872 A132919
Adjacent sequences: A134475 A134476 A134477 * A134479 A134480 A134481
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KEYWORD
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nonn,less,tabl
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AUTHOR
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Gary W. Adamson, Oct 27 2007
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STATUS
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approved
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