OFFSET
1,2
EXAMPLE
133 is in the sequence because 133 = 250[7] (in base 7) and 133 = det [2,5,0; 0,2,5; 5,0,2].
PROG
(PARI) (c(v)=abs(matdet(matrix(#v, #v, i, j, v[(j-i)%#v+1])))); for(n=1, oo, n==c(digits(n, 7))&&print1(n", "))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
M. F. Hasler, May 05 2018
EXTENSIONS
a(25)-a(37) from Giovanni Resta, May 07 2018
STATUS
approved