43386

Appears in sequences

• Numbers k such that the k-th triangular number contains only digits {1,4,9}.at n=5A119131
• Triangle read by rows: T(n,k) (n >= 1, 1 <= k <= n) = smallest permanent of any n X n (0,1) matrix with k 1's in each row and column.at n=42A133643
• Zeroless numbers n whose digit product squared is equal to the digit product of n^2.at n=24A256115