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Search: id:A127241
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| 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1
(list; table; graph; listen)
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OFFSET
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0,1
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COMMENT
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Row sums are A127238. Diagonal sums are A127242. Central coefficients give A000012.
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FORMULA
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Number triangle T(n,k)=A010060(binomial(k,n-k))
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EXAMPLE
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Triangle begins
1,
0, 1,
0, 1, 1,
0, 0, 1, 1,
0, 0, 1, 0, 1,
0, 0, 0, 0, 1, 1,
0, 0, 0, 1, 0, 0, 1,
0, 0, 0, 0, 1, 0, 0, 1,
0, 0, 0, 0, 1, 0, 0, 1, 1,
0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1
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CROSSREFS
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Sequence in context: A106344 A106346 A167371 this_sequence A087748 A117446 A101688
Adjacent sequences: A127238 A127239 A127240 this_sequence A127242 A127243 A127244
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Jan 10 2007
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