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A098359
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Multiplication table of the square numbers read by antidiagonals.
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3
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1, 4, 4, 9, 16, 9, 16, 36, 36, 16, 25, 64, 81, 64, 25, 36, 100, 144, 144, 100, 36, 49, 144, 225, 256, 225, 144, 49, 64, 196, 324, 400, 400, 324, 196, 64, 81, 256, 441, 576, 625, 576, 441, 256, 81, 100, 324, 576, 784, 900, 900, 784, 576, 324, 100, 121, 400, 729
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| G.f.: [xy(1+x)(1+y)] / [(1-x)^3 * (1-y)^3 ]. - Ralf Stephan, Oct 27 2004
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EXAMPLE
| 1; 4,4; 9,16,9; 16,36,36,16; ...
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CROSSREFS
| Cf. A003991, A098358, A098360, A098361.
Sequence in context: A092322 A050218 A165996 * A071567 A133037 A061886
Adjacent sequences: A098356 A098357 A098358 * A098360 A098361 A098362
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KEYWORD
| nonn,tabl
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AUTHOR
| Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004
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