%I #33 Oct 19 2021 02:50:45
%S 1,2,3,4,5,6,7,8,9,48,247,370,378,407,481,518,592,629,1360,1547,3075,
%T 26027,26933,45018,69781,80487,123823,154791,289835,1920261,2137616,
%U 2716713,3100883,3480140,3934896,4179451,4830936,5218958,11955168,23203827,80651025,95738203
%N Positive integers k that are equal to the absolute value of the determinant of the circulant matrix formed by the decimal digits of k.
%C Contains A219324 and A219326 as subsequences.
%C Equal to the sequence defined by replacing circulant matrices with left circulant matrices. - _Chai Wah Wu_, Oct 18 2021
%H Robert G. Wilson v and Max Alekseyev, <a href="/A219327/b219327.txt">Table of n, a(n) for n = 1..63</a> (complete up to 10^10)
%o (Python)
%o from sympy import Matrix
%o A219327_list = []
%o for n in range(1,10**6):
%o s = [int(d) for d in str(n)]
%o m = len(s)
%o if n == abs(Matrix(m, m, lambda i, j: s[(i-j) % m]).det()):
%o A219327_list.append(n) # _Chai Wah Wu_, Oct 18 2021
%Y A219324, the main entry for this sequence, provides references and further details.
%Y Cf. A219326.
%K base,nonn
%O 1,2
%A _Max Alekseyev_, Nov 17 2012
%E a(53)-a(63) from _Max Alekseyev_, Feb 15 2013