77897

Appears in sequences

• The number of permutations of length n sortable by 2 block transpositions.at n=13A228392
• a(n) is the greatest integer k such that k/Fibonacci(n) < e.at n=23A293674
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (j+1)^(n-2*j-1) / (j! * (n-3*j)!).at n=64A362378
• E.g.f. satisfies A(x) = exp(x + x^3/6 * A(x)).at n=9A362381