A370725 Numbers k such that the k X k Fibonacci word matrix has determinant 0.

1, 6, 10, 12, 16, 20, 22, 26, 32, 42, 48, 52, 58, 68, 72, 84, 90, 94, 100, 110, 116, 120, 122, 130, 132, 136, 141, 142, 146, 148, 172, 174, 178, 184, 188, 190, 198, 200, 204, 210, 220, 226, 230, 232, 240, 242, 246, 252, 256, 258, 282, 284, 288, 324, 326, 350

Offset

1,2

Comments

Take the first k terms of A003849 and form a k X k matrix by rotating these k terms 1 place to the right in each new row. Then k appears in the sequence iff the determinant is 0.

Links

Table of n, a(n) for n=1..56.

Crossrefs

Cf. A003849, A370724.

Sequence in context: A359029 A315123 A315124 * A063214 A075082 A101503

Adjacent sequences: A370722 A370723 A370724 * A370726 A370727 A370728

Keyword

nonn

Author

Jeffrey Shallit, Feb 28 2024

Extensions

a(39)-a(56) from Alois P. Heinz, Mar 01 2024

Status

approved