52689

Appears in sequences

• Quadrinomial coefficients.at n=19A005719
• Sequence A001033 gives the numbers n such that the sum of the squares of n consecutive odd numbers x^2 + (x+2)^2 + ... +(x+2n-2)^2 = k^2 for some integer k. For each n, this sequence gives the least value of k.at n=14A056132
• Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 19 (most significant digit on right).at n=28A061972