256289

Appears in sequences

• a(n) is least k such that k and 9k are anagrams in base n (written in base 10).at n=35A023101
• a(n) = floor((n + 1/2)^4).at n=22A219086
• n^2 concatenated with (n+1)^2.at n=16A246973
• Number of length 2+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=31A252178