34361893981
domain: N
Appears in sequences
- a(n) = n*a(n-1) + (n-1)*a(n-2), a(0) = 1, a(1) = 1.at n=13A000255
- Numerator of Sum_{k=0..n} (-1)^k/k!.at n=15A053557
- Bisection of A000255.at n=6A100445
- Largest prime factor in the subfactorial of n.at n=12A152024
- Number of permutations of {1,2,...,n} in which the fixed points and the non-fixed points alternate.at n=27A162969
- Numerator of n!*Sum((-1)^k/k!, k=0..n)/(n-1)^n.at n=13A178453
- The least prime dividing A000255(n); a(1) = 1.at n=12A378159