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Search: id:A094456
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| A094456 |
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Triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, ...] DELTA [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...] where DELTA is the operator defined in A084938. |
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+0
3
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| 1, 0, 1, 0, 1, 2, 0, 1, 5, 5, 0, 1, 10, 22, 14, 0, 1, 19, 70, 93, 42, 0, 1, 36, 201, 421, 386, 132, 0, 1, 69, 559, 1657, 2324, 1586, 429, 0, 1, 134, 1548, 6162, 11836, 12136, 6476, 1430, 0, 1, 263, 4316, 22445, 55843, 76928, 60948, 26333, 4862
(list; table; graph; listen)
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OFFSET
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0,6
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COMMENT
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Diagonals : A000007, A000012, A052944; A000108, A000346 Triangle : 1; 0, 1; 0, 1, 2; 0, 1, 5, 5; 0, 1, 10, 22, 14; ...
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FORMULA
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Sum_{k = 0..n} T(n, k) = A090365(n).
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CROSSREFS
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Cf. A084938.
Sequence in context: A109450 A086810 A085838 this_sequence A010028 A151860 A089627
Adjacent sequences: A094453 A094454 A094455 this_sequence A094457 A094458 A094459
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KEYWORD
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nonn,tabl
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AUTHOR
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DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Jun 04 2004
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