A303261 Numbers having n digits in base n+1, and equal to the determinant of a circulant matrix based on these digits.

1, 28, 35, 1936, 2761, 3421, 3732, 4043, 4354, 281048, 289820, 333293, 420239, 428752, 430686, 437554, 500380, 500888, 736600, 941578, 984377, 1027176, 1069975, 1112774, 1155573, 1662216, 1776201, 2087008, 5331625, 6825024, 7014400

Offset: 1

Author

M. F. Hasler, Apr 25 2018

Keywords

• nonn
• base
• more

Comments

A subsequence of A303262, namely, the terms in row n which correspond to n-digit numbers in base n+1.

Crossrefs

Cf. A303262, A303260, A219324, A219325, A219326, A219327.

Programs

PARI

for(n=1, 10, for(k=(n+1)^(n-1), (n+1)^n-1, d=Vec(digits(k, n+1)); abs(matdet(matrix(n, n, i, j, d[(j-i)%n+1])))==k&&print1(k", ")))