22775

Appears in sequences

• Numbers N such that concatenation of N, N, and x generates a prime for x=1 and x=3 and x=7 and x=9.at n=3A210515
• Equals one maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 n X 3 array.at n=6A220574
• T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nXk array.at n=42A220579
• Equals one maps: number of 7Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 7Xn array.at n=2A220585
• Number of unlabeled rooted identity trees with n nodes where the branches of no branch of the root form a subset of the branches of the root.at n=16A324839
• Antidiagonal sums of A382310.at n=41A382311