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A098355
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Multiplication table of the powers of three read by antidiagonals.
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2
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1, 3, 3, 9, 9, 9, 27, 27, 27, 27, 81, 81, 81, 81, 81, 243, 243, 243, 243, 243, 243, 729, 729, 729, 729, 729, 729, 729, 2187, 2187, 2187, 2187, 2187, 2187, 2187, 2187, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 19683, 19683, 19683, 19683, 19683, 19683
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| 3^A003056: 3^n appears n+1 times.
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LINKS
| Jeremy Gardiner, Table of n, a(n) for n = 0..349
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EXAMPLE
| 1; 3,3; 9,9,9; 27,27,27,27;
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MATHEMATICA
| Flatten[Table[3^x, {x, 0, 13}, {y, 0, x}]] (* Alonso del Arte, Nov 29 2011 *)
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CROSSREFS
| Cf. A000244, A003056, A003991, A098354, A137688.
Sequence in context: A155686 A201456 A064235 * A183429 A107443 A204099
Adjacent sequences: A098352 A098353 A098354 * A098356 A098357 A098358
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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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