83053

Appears in sequences

• Expansion of the g.f. (x^2-x+1)*(x^2-3*x+3)/(x-1)^6.at n=22A257890
• a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.at n=18A308055
• a(n) = Sum_{k=0..n} (-1)^k * binomial(5*n-k+3,n-k).at n=5A390590