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Search: id:A144034
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| 1, 4, 1, 4, 4, 5, 4, 4, 20, 13, 4, 4, 20, 52, 41, 4, 4, 20, 52, 164, 121, 4, 4, 20, 52, 164, 484, 365, 4, 4, 20, 52, 164, 484, 1460, 1093, 4, 4, 20, 52, 164484, 1460, 4372, 3281, 4, 4, 20, 52, 164, 484, 1460, 4372, 13124, 9841
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A046717 shifted: (1, 5, 13, 41, 121,...). Right border = A046717.
Sum of n-th row terms = rightmost term of (n+1)-th row.
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FORMULA
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Eigentriangle read by rows, T(n,k) = A123932(n-k+1)*A046717(k)
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EXAMPLE
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First few rows of the triangle =
1;
4, 1;
4, 4, 5;
4, 4, 20, 13;
4, 4, 20, 52, 41;
4, 4, 20, 52, 164, 121;
4, 4, 20, 52, 164, 484, 365;
... Row 4 = (4, 4, 20, 13) = termwise products (4, 4, 4, 1) and (1, 1, 5, 13).
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CROSSREFS
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A123932, Cf. A046717.
Sequence in context: A117445 A145079 A035646 this_sequence A151783 A093561 A081773
Adjacent sequences: A144031 A144032 A144033 this_sequence A144035 A144036 A144037
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 07 2008
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