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A155705
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Triangle read by rows where T(m,n)=2mn+m+n+2
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2
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6, 9, 14, 12, 19, 26, 15, 24, 33, 42, 18, 29, 40, 51, 62, 21, 34, 47, 60, 73, 86, 24, 39, 54, 69, 84, 99, 114, 27, 44, 61, 78, 95, 112, 129, 146, 30, 49, 68, 87, 106, 125, 144, 163, 182, 33, 54, 75, 96, 117, 138, 159, 180, 201, 222
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| Triangle begin: 6; 9, 14; 12, 19, 26; 15, 24, 33, 42; 18, 29, 40, 51, 62; 21, 34, 47, 60, 73, 86; 24, 39, 54, 69, 84, 99, 114; 27, 44, 61, 78, 95, 112, 129, 146; 30, 49, 68, 87, 106, 125, 144, 163, 182; 33, 54, 75, 96, 117, 138, 159 180, 201, 222;
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CROSSREFS
| Cf. A153043
Sequence in context: A002598 A176211 A176212 * A177891 A190443 A036992
Adjacent sequences: A155702 A155703 A155704 * A155706 A155707 A155708
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KEYWORD
| nonn,tabl
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AUTHOR
| Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 25 2009
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