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A158405
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Table T(n,m) = 1+2*m of odd numbers read along rows, 0<=m<n.
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9
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1, 1, 3, 1, 3, 5, 1, 3, 5, 7, 1, 3, 5, 7, 9, 1, 3, 5, 7, 9, 11, 1, 3, 5, 7, 9, 11, 13, 1, 3, 5, 7, 9, 11, 13, 15, 1, 3, 5, 7, 9, 11, 13, 15, 17, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| Row sums are n^2 = A000290(n).
Contribution from Johannes W. Meijer (meijgia(AT)hotmail.com), Sep 22 2010: (Start)
The triangle sums, see A180662 for their definitions, link this triangle of odd numbers with seventeen different sequences, see the crossrefs. The knight sums Kn14 - Kn110 have been added.
(End)
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EXAMPLE
| The table contains the first n odd numbers in row n:
1;
1,3;
1,3,5;
1,3,5,7;
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CROSSREFS
| Cf. A129326, A099375
Contribution from Johannes W. Meijer (meijgia(AT)hotmail.com), Sep 22 2010: (Start)
Triangle sums (see the comments): A000290 (Row1; Kn11 & Kn4 & Ca1 & Ca4 & Gi1 & Gi4); A000027 (Row2); A005563 (Kn12); A028347 (Kn13); A028560 (Kn14); A028566 (Kn15); A098603 (Kn16); A098847 (Kn17); A098848 (Kn18); A098849 (Kn19); A098850 (Kn110); A000217 (Kn21. Kn22, Kn23, Fi2, Ze2); A000384 (Kn3, Fi1, Ze3); A000212 (Ca2 & Ze4); A000567 (Ca3, Ze1); A011848 (Gi2); A001107 (Gi3).
(End)
Sequence in context: A143732 A130465 A194437 * A113759 A134231 A126637
Adjacent sequences: A158402 A158403 A158404 * A158406 A158407 A158408
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KEYWORD
| nonn,tabl,easy
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Mar 18 2009
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EXTENSIONS
| Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 06 2009
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