106260

Appears in sequences

• a(n) is the smallest positive integer a for which there is an identity of the form a*n*x = Sum_{i=1..m} ai*gi(x)^n where a1, ..., am are in Z and g1(x), ..., gm(x) are in Z[x].at n=23A005729
• Areas of more than one primitive Pythagorean triangle.at n=5A024407
• a(n) = n*(n + 1)*(n + 2)*(n + 3)/2.at n=20A033486
• Numbers k such that phi(k) < k/5.at n=12A066765
• Even legs of Pythagorean triangles whose other leg and hypotenuse are both prime.at n=19A067755
• Numbers with six distinct prime divisors.at n=29A074969
• LCM of terms in periodic part of continued fraction expansion of square root of 1+3^n.at n=6A077634
• Least common multiple of numbers obtained by adding one to the odd divisors of n and subtracting 1 from the even divisors of n.at n=23A086536
• Sixth column (m=5) of (1,6)-Pascal triangle A096956.at n=20A096959
• a(n) = C(1+n,1) * C(2+n,1) * C(4+n,2).at n=19A112415
• a(n) = n*(n-1)*A056219(n+1).at n=19A166870
• Convolution of A008805 (triangular numbers repeated) with itself.at n=41A177747
• Numbers k such that bigomega(k)^omega(k) > k.at n=42A177871
• Numbers with prime factorization pqrstu^2.at n=6A189985
• Numbers k such that Euler phi(Dedekind psi(k)) > k.at n=5A196200
• Number of ways 2*n-1 people can vote on three candidates so that the Condorcet paradox arises.at n=21A277935
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=63A286785
• a(n) = Product_{d|n, d>1} prime(A305788(d)-1).at n=23A305814
• a(n) = Product_{d|n, d>1} prime(A305788(d)-1).at n=29A305814
• a(n) = Product_{d|n, d>1} prime(A305788(d)-1).at n=55A305814