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Search: id:A090850
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| A090850 |
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Clark's triangle with f=6 read by row. |
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+0
1
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| 0, 6, 1, 12, 7, 1, 18, 19, 8, 1, 24, 37, 27, 9, 1, 30, 61, 64, 36, 10, 1, 36, 91, 125, 100, 46, 11, 1, 42, 127, 216, 225, 146, 57, 12, 1, 48, 169, 343, 441, 371, 203, 69, 13, 1, 54, 217, 512, 784, 812, 574, 272, 82, 14, 1, 60, 271, 729, 1296, 1596, 1386, 846, 354, 96
(list; table; graph; listen)
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OFFSET
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0,2
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LINKS
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Eric Weisstein's World of Mathematics, Clark's Triangle
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FORMULA
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c(n, k) = 6*binomial(n, k+1) + binomial(n-1, k-1). - Max Alekseyev (maxal(AT)cs.ucsd.edu), Nov 06 2005
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EXAMPLE
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0; 6, 1; 12, 7, 1; 18, 19, 8, 1; ...
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CROSSREFS
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Cf. A046902, A100206.
Sequence in context: A046618 A107348 A040041 this_sequence A013613 A122508 A062190
Adjacent sequences: A090847 A090848 A090849 this_sequence A090851 A090852 A090853
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KEYWORD
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nonn,tabl
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Dec 09, 2003
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