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A194120
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Triangular array: T(n,k)=C(n+4,k)+C(n+4,k+4), 0<=k<=n.
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3
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2, 6, 6, 16, 12, 16, 36, 28, 28, 36, 71, 64, 56, 64, 71, 127, 135, 120, 120, 135, 127, 211, 262, 255, 240, 255, 262, 211, 331, 473, 517, 495, 495, 517, 473, 331, 496, 804, 990, 1012, 990, 1012, 990, 804, 496, 716, 1300, 1794, 2002, 2002, 2002, 2002
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table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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EXAMPLE
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Northwest corner:
2
6...6
16..12..16
36..28..28..36
71..64..56..64..71
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MATHEMATICA
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T[n_, k_] := Binomial[n + 4, k] + Binomial[n + 4, k + 4]
Flatten[Table[T[n, k], {n, 0, 10}, {k, 0, n}]]
TableForm[Table[T[n, k], {n, 0, 10}, {k, 0, n}]]
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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