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A135090
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Array read by antidiagonals: T(n,k) = Knuth's Fibonacci (or circle) product of n and k ("n o k"), n >= 0, k >= 0.
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1
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0, 0, 0, 0, 3, 0, 0, 5, 5, 0, 0, 8, 8, 8, 0, 0, 11, 13, 13, 11, 0, 0, 13, 18, 21, 18, 13, 0, 0, 16, 21, 29, 29, 21, 16, 0, 0, 18, 26, 34, 40, 34, 26, 18, 0, 0, 21, 29, 42, 47, 47, 42, 29, 21, 0, 0, 24, 34, 47, 58, 55, 58, 47, 34, 24, 0, 0, 26, 39, 55, 65, 68, 68, 65, 55, 39, 26, 0, 0, 29, 42, 63, 76, 76, 84, 76, 76, 63, 42, 29, 0, 0, 32, 47
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,5
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COMMENTS
| This is a variant of A101330. See that entry for much more information.
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EXAMPLE
| Array begins:
____k__0___1___2___3___4____5____6____7____8____9
__n______________________________________________
__0____0___0___0___0___0____0____0____0____0____0
__1____0___3___5___8__11___13___16___18___21___24
__2____0___5___8__13__18___21___26___29___34___39
__3____0___8__13__21__29___34___42___47___55___63
__4____0__11__18__29__40___47___58___65___76___87
__5____0__13__21__34__47___55___68___76___89__102
__6____0__16__26__42__58___68___84___94__110__126
__7____0__18__29__47__65___76___94__105__123__141
__8____0__21__34__55__76___89__110__123__144__165
__9____0__24__39__63__87__102__126__141__165__189
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CROSSREFS
| Sequence in context: A011400 A115013 A072736 * A051174 A127773 A194498
Adjacent sequences: A135087 A135088 A135089 * A135091 A135092 A135093
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KEYWORD
| nonn,tabl
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 17 2008
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