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Search: id:A092416
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| A092416 |
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Determinant of the n X n matrix with entries gcd(X,Y)^gcd(X,Y). |
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+0
1
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| 1, 1, 3, 78, 19656, 61405344, 2863085569344, 2357871215948696448, 39557911075122642360238080, 15325544184478930809864207383592960, 153255393906487099048546500580688904121221120
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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for n = 3:
[1,1,1]
[1,4,1]
[1,1,27]
with det 78.
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PROGRAM
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(PARI) for(i=0, 10, m=matrix(i, i, X, Y, gcd(X, Y)^gcd(X, Y)); print1(", "matdet(m)))
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CROSSREFS
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Cf. A000178:super-factorials, A001088:product(A000010(i)).
Adjacent sequences: A092413 A092414 A092415 this_sequence A092417 A092418 A092419
Sequence in context: A065993 A097802 A119200 this_sequence A069839 A064456 A073176
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Mar 22 2004
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