126300

Appears in sequences

• T(n,n+1), array T given by A047000.at n=10A047006
• Number of ways a loop can cross three roads meeting in a Y n times.at n=14A085919
• Triangle read by rows: T(n,k) = (n+1-k)*|s(n,n+1-k)| - 2*|s(n-1,n-k)|, where s(n,k) are the signed Stirling numbers of the first kind and 1 <= k <= n.at n=58A199221
• Number of binary words of length n with exactly 4 (possibly overlapping) occurrences of the subword given by the binary expansion of n.at n=25A236233
• Regarding A381019 as a permutation of the natural numbers, this is the cycle with smallest term 8, read in the reverse direction.at n=4A382712