70380

Appears in sequences

• Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^6.at n=29A029843
• Theta series of 14-dimensional integral laminated lattice LAMBDA14.3 with minimal norm 4.at n=4A047626
• Number of double tangents of order n.at n=20A060784
• Numbers j such that j and 2j are both between a pair of twin primes.at n=19A066388
• a(n) = Sum_{k=1..(p-1)*(p-2)} floor((k*p)^(1/3)) where p is the n-th prime.at n=14A078838
• Number of ternary necklaces with n beads of each color and no adjacent beads of the same color (i.e., no substrings 00, 11, 22).at n=8A110710
• Maximum number of tatami tilings of any m X m square region with exactly n horizontal dimers and m monomers.at n=34A192096
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,1,1 for x=0,1,2,3,4.at n=16A197539
• Permanent of the n-th principal submatrix of A204250.at n=3A204251
• Antidiagonal sums of the convolution array A213822.at n=16A213824
• Numbers m such that exactly four subsets of {m-1, m, m+1} sum up to a prime number.at n=22A221310
• Irregular triangle read by rows: T(n,k) is the number of necklaces of n 1's, n -1's, and k 0's such that no two adjacent elements are equal.at n=72A283615
• Numbers of the form A000217(n)*A007494(n) that are divisible by 3.at n=37A295867
• a(n) = binomial(n,2)*(binomial(n-1,2) + 2).at n=23A352405
• Numbers whose sum of prime divisors equals the sum of square divisors.at n=27A390397