129870

Appears in sequences

• Number of (n+2)X(3+2) 0..3 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=2A252773
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=12A252777
• Non-repdigit numbers k that divide A045876(k).at n=30A276413
• Index of 2^n in A280864.at n=17A280746