202860

Appears in sequences

• a(n) = n + (n+1)^2 + (n+2)^3 + (n+3)^4.at n=18A027621
• Triangle read by rows: T(n,h) = number of functions f:{1,2,...,n}->{1,2,...,n-1} such that |Image(f)|=h, h=1,2,...,n-1, n=2,3,...at n=23A101819
• Triangle read by rows: T(n,h) = number of functions f:{1,2,...,n}->{1,2,...,n-2} such that |Image(f)|=h, h=1,2,...,n-2; n=3,4,....at n=17A101821
• Numbers with prime factorization pqr^2s^2t^2.at n=18A190379
• Irregular triangle read by rows where T(n,k) is the number of labeled loop-graphs covering n vertices with k edges.at n=54A369199