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A303369
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Numbers equal to the determinant of a circulant matrix based on the base-9 digits of n.
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4
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1, 2, 3, 4, 5, 6, 7, 8, 104, 126, 130, 468, 2035, 8052, 8421, 12100, 18788, 21296, 60736, 90155, 109135, 119795, 123201, 137605, 147095, 160965, 199728, 457856, 523809, 697334, 2958176, 3652360, 4725030, 5331625, 6825024, 7014400, 7694336, 9376133, 14012352
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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104 is in the sequence because 104 = 125[9] (in base 9) and 104 = det [1,2,5; 5,1,2; 2,5,1].
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PROG
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(PARI) (c(v)=abs(matdet(matrix(#v, #v, i, j, v[(j-i)%#v+1])))); for(n=1, oo, n==c(digits(n, 9))&&print1(n", "))
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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