368640
domain: N
Appears in sequences
- Number of distinct most-perfect pandiagonal magic squares of order 4n in the Frenicle standard form.at n=2A051235
- Denominators in the series for Bessel function J4(x).at n=2A061403
- The Alon-Tarsi constants AT(n).at n=5A065711
- Maximal number of divisors of any n-digit number.at n=20A066150
- a(n) = product of nonzero digits of n! (A000142).at n=19A067067
- 16-almost primes (generalization of semiprimes).at n=10A069277
- Product{[n/k + 1/2]: k=1,2,...,n}, where [x + 1/2] denotes the integer nearest to x.at n=15A075999
- a(n) is the denominator of the polynomial in e^2 giving the (2n)th du Bois Reymond constant.at n=6A085466
- Number of subsets of {1,.., n} containing no twin prime pairs.at n=19A089827
- Row sums of triangle A094280.at n=16A094283
- Number of permutations p of (1,2,3,...,n) such that k+p(k) is a Fibonacci number for 1 <= k <= n.at n=50A097082
- Number of divisors of the n-th superior highly composite number.at n=24A098895
- a(n) = floor(2^(n-2)*3*n).at n=14A128543
- a(n) = (n^3 - n)*2^n.at n=8A128960
- Triangle: No(x, n) = (2*n/x)*No(x, n - 1) + (-n/(n - 2))*No( x, n - 2) + Ceiling[(2*(n - 1)/((n - 2)))*Sin[(n - 1)*Pi/2]]/x; weighted by 2*x^(n + 1).at n=34A137384
- Number of divisors of Catalan number A000108(n).at n=46A152763
- a(n) = 2^n * Product_{k=1..n} (4*k*(4*k+2))^(n-k).at n=3A168442
- Number of n-colorings of the 3 X 3 X 3 triangular grid.at n=10A182788
- Coefficient of x in the reduction (by x^2->x+1) of polynomial p(n,x) identified in Comments.at n=10A192351
- Molecular topological indices of the square graphs.at n=8A192839