A303368 Numbers equal to the determinant of a circulant matrix based on the base-8 digits of n.
1, 2, 3, 4, 5, 6, 7, 21, 133, 432, 525, 1200, 1456, 1904, 4774, 24583, 281048, 289820, 333293, 420239, 428752, 430686, 437554, 500380, 500888, 736600, 941578, 984377, 1027176, 1069975, 1112774, 1155573, 1662216, 1776201, 2087008, 3212235, 7928375, 8131725
Offset: 1
Programs
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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,8))&&print1(n","))
Extensions
a(33)-a(38) from Giovanni Resta, May 07 2018
Comments