75000

Appears in sequences

• Maxima of the rows of the triangle A259095.at n=53A005577
• Triangle of coefficients in expansion of (4 + 5*x)^n.at n=26A013628
• Expansion of Product_{m>=1} (1+x^m)^3.at n=25A022568
• a(n) is the n-th quintic factorial number divided by 5.at n=4A034325
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*4^j.at n=22A038246
• Least common multiple of n! and n^n.at n=4A055774
• a(n) = Fibonacci(n) - n.at n=25A065220
• Values of x in positive integer solutions of x^2 + y^5 = z^3, listed in increasing order of z. (If a z-value occurs twice, list solutions in increasing order of y.)at n=11A070065
• a(n) = Product_{k=1..n} lcm(n,k).at n=4A071248
• a(n) = (n+1)*a(n-5), with a(0)=a(1)=a(2)=a(3)=a(4)=1.at n=24A081408
• Hypotenuses for which there exist exactly 5 distinct Pythagorean triangles.at n=17A084649
• a(n) = n! * n^4.at n=5A091364
• Triangle T(n,k) read by rows: number of permutations in S_n avoiding all k-length patterns starting with fixed m, 2<k<=n, 1<=m<=k.at n=31A104001
• Numbers n such that the period length P(n) of the Fibonacci sequence mod n is a multiple of n.at n=36A105953
• Triangle T(n, k) = k! * (k+1)^(n-k), read by rows.at n=39A137268
• Sequence identical to its third differences in absolute values.at n=20A138278
• Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 1 one in any 5 X 5 X 5 subtriangle.at n=19A153906
• Numbers k such that tau(phi(k)) = rad(k).at n=21A173618
• Number of permutations of 1..n with i-8<=p(i)<=i+4.at n=8A179351
• Number of permutations of 1..n with i-9<=p(i)<=i+4.at n=8A179357