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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
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
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.)