56589

Appears in sequences

• a(n) = Xpower(n,5).at n=13A048734
• Least k such that the last n decimal digits of 2^k are all powers of 2.at n=10A139126
• Least k such that the last n decimal digits of 2^k are all powers of 2.at n=11A139126
• Least k such that the last n decimal digits of 2^k are all powers of 2.at n=12A139126
• Least k such that the last n decimal digits of 2^k are all powers of 2.at n=13A139126
• Expansion of (1 + 8*x - 6*x^2 + 12*x^3 - 18*x^4)/(1 - x - 9*x^4 + 9*x^5).at n=17A309791