75205

Appears in sequences

• a(n) = (n^8 - 60*n^6 + 90*n^5 + 1160*n^4 - 3204*n^3 - 5349*n^2 + 26586*n - 23760)/24.at n=4A135923
• Beach-Williams Pell numbers of type pqrs (p,q,r,s primes).at n=1A212080
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood.at n=40A273581