56470

Appears in sequences

• a(0) = a(1) = 1. a(n) = a(n-1) + a(n - b(n)), where b(n) is largest prime dividing n.at n=44A137809
• Expansion of x/((1 - x - x^4)*(1 - x)^4).at n=21A145133
• Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.at n=5A196851
• Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.at n=2A196854
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.at n=30A196856
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.at n=33A196856
• a(n) is the nearest integer to 1/(H(k) - n), where H(k) is the smallest harmonic number that exceeds n.at n=11A352026