333366

Appears in sequences

• Numbers k such that the k-th triangular number contains only digits {1,5,6}.at n=39A119133
• Number of n X n 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1's.at n=4A295840
• Number of nX5 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1s.at n=4A295844
• T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1s.at n=40A295847