2032001
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(645).at n=10A042239
- Number of (n+2)X(n+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=11A252953