20786804

Appears in sequences

• Number of permutations p of [n] such that 0p has a nonincreasing jump sequence beginning with nine.at n=8A292175
• Number of permutations p of [2n+1] such that 0p has a nonincreasing jump sequence beginning with n+1.at n=8A303203
• Number of permutations p of [n] such that 0p has a nonincreasing jump sequence beginning with ceiling(n/2).at n=17A303204