93093

Appears in sequences

• Coefficient of x^8 in expansion of (1+x+x^2)^n.at n=10A005716
• Gaussian binomial coefficient [ n,2 ] for q=4.at n=4A006105
• Gaussian binomial coefficient [ n,4 ] for q = 4.at n=2A006107
• Expansion of Product_{k>=1} (1 - x^k)^14.at n=30A010821
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 4.at n=23A022168
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 4.at n=25A022168
• Expansion of 1/((1-2*x)*(1-6*x)*(1-8*x)*(1-11*x)).at n=4A026727
• Second diagonal of A027446.at n=14A027449
• Numbers n such that 2^(n+1)+2n+1 is prime.at n=38A105330
• a(n) = 68*n^2 + 1.at n=37A158732
• a(n) = sqrt(sigma(2*m^2)), where m = A097023(n), i.e., sigma(2*m^2) is a square.at n=7A163764
• Triangle T(n, k, q) = ((1-q)/(1-q^k))*c(n-1, q)*c(n, q)/(c(k-1,q)^2*c(n-k,q)*c(n-k+1, q)), where c(n, q) = Product_{j=1..n} (1-q^j) and q = 4, read by rows.at n=16A172301
• Triangle T(n, k, q) = ((1-q)/(1-q^k))*c(n-1, q)*c(n, q)/(c(k-1,q)^2*c(n-k,q)*c(n-k+1, q)), where c(n, q) = Product_{j=1..n} (1-q^j) and q = 4, read by rows.at n=19A172301
• Number of ordered 9-tuples of distinct pairwise coprime positive integers with largest element n.at n=24A186980
• Number of 8-element subsets of {1, 2, ..., n} having pairwise coprime elements.at n=25A186984
• a(n) = A000108(n)*A006130(n), where A000108 is the Catalan numbers and A006130(n) = A006130(n-1) + 3*A006130(n-2).at n=7A200312
• Number of (n+1)X(1+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=4A237678
• Number of (n+1)X(5+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=0A237682
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=10A237683
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=14A237683