748800
domain: N
Appears in sequences
- Jordan function J_4(n).at n=29A059377
- a(n) = F(n+2)*(Product_{i=1..n+1} F(i))^2 where F(i)=A000045(i) is the i-th Fibonacci number.at n=5A067962
- a(n) = sigma(A067651(n)).at n=23A107816
- Triangle read by rows: T(n, k) is the coefficient of x^k in the polynomial 1 - T_n(x)^2, where T_n(x) is the n-th Hermite polynomial of the Hochstadt kind (A137286) as related to the generalized Chebyshev in a Shabat way (A123583): p(x,n)=x*p(x,n-1)-p(x,n-2); q(x,n)=1-p(x,n)^2.at n=66A136667
- Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k consecutive triples of the form (odd,even,odd) and (even,odd,even) (0<=k<=n-2).at n=39A152877
- a(n) = A000203(A255334(n)).at n=36A255412
- The number of positive integer sequences of length n with no duplicate substrings of length greater than 1, every number different from its neighbors, and a minimal sum (= A282166(n)).at n=19A284431
- Numbers k such that A051378(k) > 2*k and A333926(k) <= 2*k.at n=10A349284
- Numbers that can be written in two or more ways as the product of three divisors greater than 1 such that the number in binary is contained in the string concatenation of the divisors in binary.at n=23A356143