18551

Appears in sequences

• Number of independent sets of nodes in graph K_7 X C_n (n > 2).at n=5A051932
• a(n) = C(n+6, 6) - n - 1.at n=12A062989
• Diagonal in array of n-gonal numbers A081422.at n=25A081438
• Number of nX2 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.at n=7A199195
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.at n=37A199201
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.at n=43A199201
• a(n) = 1 + 2*n^2 + 3*n^3 + 4*n^4 + 5*n^5.at n=5A209263
• Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 5.at n=48A240014
• Numbers n for which the digital sum contains the same distinct digits as the digital product but the digital sum is not equal to the digital product.at n=30A249335
• Irregular triangle T(n,m), numerators of coefficients in a power/Fourier series expansion of the plane pendulum's exact time dependence.at n=39A274130