105678
domain: N
Appears in sequences
- Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which represent a four-fold rotation. Also the sequence for the corresponding four-fold rotoinversions.at n=5A053173
- Related to Fibonacci numbers, see the Formula section.at n=38A215082
- a(n) = A215082(2*n).at n=19A215108
- Infinite variant of A375232.at n=45A375243