118560

Appears in sequences

• a(n) = 412*n^6 - 408*n^5 - 1130*n^4 - 360*n^3 + 2368*n^2 - 912*n + 15*(1 - (-1)^n).at n=3A111112
• Lower triangular array called S1hat(4) related to partition number array A144885.at n=29A144886
• Second column (m=2) of triangle A144886 (S1hat(4)).at n=6A144888
• Molecular topological indices of the cocktail party graphs.at n=19A181773
• Numbers with prime factorization pqrst^5.at n=12A190383
• Number of arrays of n+2 integers in -3..3 with sum zero and the sum of every adjacent pair being odd.at n=8A202071
• Integer areas A of integer-sided cyclic quadrilaterals such that the circumradius is of prime length.at n=31A230136
• Number of 2 X 2 matrices with entries in {0,1,...,n} with determinant = permanent with no entries repeated.at n=40A280058
• Array read by downward antidiagonals: A(n,k) = -A(n-1,k) + (k+1)*A(n-1,k+1) + A(n-1,k+2) with A(0,k) = 1, n >= 0, k >= 0.at n=51A369292