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Search: id:A076482
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| A076482 |
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Triangle with T(n,k)=n!*(k-1)^k/k! where 1<=k<=n. |
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+0
2
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| 0, 0, 1, 0, 3, 8, 0, 12, 32, 81, 0, 60, 160, 405, 1024, 0, 360, 960, 2430, 6144, 15625, 0, 2520, 6720, 17010, 43008, 109375, 279936, 0, 20160, 53760, 136080, 344064, 875000, 2239488, 5764801, 0, 181440, 483840, 1224720, 3096576, 7875000
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OFFSET
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1,5
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FORMULA
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T(n, k) =n*T(n, k-1) =A007778(k-1)*A008279(n, n-k) starting with T(n, n)=(n-1)^n=A007778(n-1).
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EXAMPLE
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Rows start 0; 0,1; 0,3,8; 0,12,32,81; 0,60,160,405,1024; 0,360,960,2430,6144,15625; etc.
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CROSSREFS
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Row sums are A076483.
Sequence in context: A154462 A112255 A085995 this_sequence A156827 A140272 A021728
Adjacent sequences: A076479 A076480 A076481 this_sequence A076483 A076484 A076485
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KEYWORD
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nonn,tabl
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Oct 14 2002
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