66800
domain: N
Appears in sequences
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 5 (most significant digit on left).at n=28A029450
- Numbers k such that k and k^2 use only the digits 0, 2, 4, 6 and 8.at n=40A136904
- Number of length 5 0..n arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope.at n=18A245135
- Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=22A253023