149160

Appears in sequences

• Triangle of numbers a(n,k) = number of terms in n X n determinant with 2 adjacent diagonals of k and k-1 0's (0<=k<=n).at n=49A047922
• Molecular topological index of the n-antiprism graph.at n=32A192791
• Partial sums of A013999.at n=8A227037
• Practical numbers m with m-1 and m+1 both prime, and prime(m)-1 and prime(m)+1 both practical.at n=26A257922