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 A134478 Triangle read by rows, T(0,0) = 1; n-th row = (n+1) terms of n, n+1, n+2, ... 3
 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)
 OFFSET 0,3 COMMENTS Apart from the irregular choice of T(0,0) the same as A051162. - R. J. Mathar, Mar 28 2012 LINKS G. C. Greubel, Table of n, a(n) for the first 100 rows, flattened EXAMPLE 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; ... MATHEMATICA Join[{1}, Flatten[Table[Range[n, 2n], {n, 10}]]] (* Harvey P. Dale, Nov 21 2014 *) PROG (PARI) concat([1], for(n=1, 10, for(k=0, n, print1(n+k, ", ")))) \\ G. C. Greubel, Sep 24 2017 CROSSREFS Cf. A051162, A134479 (row sums), A126804 (row products). Sequence in context: A204006 A369879 A106251 * A051162 A122872 A356998 Adjacent sequences: A134475 A134476 A134477 * A134479 A134480 A134481 KEYWORD nonn,less,tabl AUTHOR Gary W. Adamson, Oct 27 2007 STATUS approved

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Last modified April 17 07:13 EDT 2024. Contains 371756 sequences. (Running on oeis4.)