74512

Appears in sequences

• Series for 2nd parallel moment of square lattice bond percolation near a wall (eventually goes negative).at n=11A056598
• a(n) = sigma(a(n-1)) + phi(a(n-1)), a(1)=3.at n=11A063119
• a(n)=a(n-2)+64*a(n-3) with a(0)=1, a(1)=4, a(3)=16.at n=8A158761
• Number A(n,k) of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=75A262163
• Number of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= 2.at n=9A262164