126306

Appears in sequences

• a(n) = n! * [x^n] (exp(x)+x^2/2!)^n.at n=6A245493
• Number of (n+2)X(6+2) 0..2 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=6A252859
• Number of (n+2)X(7+2) 0..2 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=5A252860
• Number of separable partitions of n in which the number of distinct (repeatable) parts is > 3.at n=48A325718