1642635

Appears in sequences

• Nearest integer to modified Bessel function K_n(2).at n=11A000167
• Triangle read by rows: T(n,k) is the number of permutations of [n] having k adjacent transpositions (0 <= k <= floor(n/2)). An adjacent transposition is a cycle of the form (i, i+1).at n=44A177248
• Number of permutations of [n] having exactly two adjacent 2-cycles.at n=12A370426