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A173050
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Triangle, read by rows, given by [0,1,1,1,1,1,1,1,...] DELTA [1,0,1,0,2,0,3,0,4,0,5,0,6,0,...] where DELTA is the operator defined in A084938.
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0
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1, 0, 1, 0, 1, 1, 0, 2, 3, 1, 0, 5, 10, 6, 1, 0, 14, 36, 31, 10, 1, 0, 42, 135, 156, 77, 15, 1, 0, 132, 518, 771, 534, 169, 21, 1, 0, 429, 2015, 3745, 3451, 1610, 345, 28, 1, 0, 1430, 7906, 17897, 21094, 13569, 4537, 676, 36, 1, 0, 4862, 31195, 84278, 123203, 103986
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OFFSET
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0,8
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LINKS
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FORMULA
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Sum_{k=0..n} T(n,k) = A074664(n+1).
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EXAMPLE
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Triangle begins:
1
0, 1
0, 1, 1
0, 2, 3, 1
0, 5, 10, 6, 1
0, 14, 36, 31, 10, 1
...
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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