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A095831
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Triangle read by rows: T(n,k) = (n-k)^2, n>=1, 1<=k<=n.
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1
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0, 1, 0, 4, 1, 0, 9, 4, 1, 0, 16, 9, 4, 1, 0, 25, 16, 9, 4, 1, 0, 36, 25, 16, 9, 4, 1, 0, 49, 36, 25, 16, 9, 4, 1, 0, 64, 49, 36, 25, 16, 9, 4, 1, 0, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 100, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 121, 100, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 144, 121, 100, 81
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OFFSET
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1,4
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COMMENTS
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LINKS
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EXAMPLE
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0;
1, 0;
4, 1, 0;
9, 4, 1, 0;
16, 9, 4, 1, 0;
25, 16, 9, 4, 1, 0;
36, 25, 16, 9, 4, 1, 0;
49, 36, 25, 16, 9, 4, 1, 0;
64, 49, 36, 25, 16, 9, 4, 1, 0;
81, 64, 49, 36, 25, 16, 9, 4, 1, 0;
100, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0;
...
For n = 8 the row sum is 49 + 36 + 25 + 16 + 9 + 4 + 1 + 0 = A000330(8-1) = 140. The alternating row sum is 49 - 36 + 25 - 16 + 9 - 4 + 1 - 0 = A000217(8-1) = 28.
(End)
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CROSSREFS
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KEYWORD
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AUTHOR
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Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 10 2004
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STATUS
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approved
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