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A154631
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Triangle read by rows: T(m,n) = 2mn + m + n + 5.
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3
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9, 12, 17, 15, 22, 29, 18, 27, 36, 45, 21, 32, 43, 54, 65, 24, 37, 50, 63, 76, 89, 27, 42, 57, 72, 87, 102, 117, 30, 47, 64, 81, 98, 115, 132, 149, 33, 52, 71, 90, 109, 128, 147, 166, 185, 36, 57, 78, 99, 120, 141, 162, 183, 204, 225, 39, 62, 85, 108, 131, 154
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Triangle begins:
9;
12, 17;
15, 22, 29;
18, 27, 36, 45;
21, 32, 43, 54, 65;
24, 37, 50, 63, 76, 89;
27, 42, 57, 72, 87, 102, 117;
30, 47, 64, 81, 98, 115, 132, 149;
33, 52, 71, 90, 109, 128, 147, 166, 185;
36, 57, 78, 99, 120, 141, 162, 183, 204, 225;
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MATHEMATICA
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Flatten[Table[2 n m + m + n + 5, {n, 10}, {m, n}]] (* Vincenzo Librandi, Aug 30 2012 *)
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PROG
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(Magma) /* Triangle: */ [[2*m*n+m+n+5: m in [1..n]]: n in [1..10]]; // Bruno Berselli, Aug 31 2012
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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