7629394531

Appears in sequences

• a(n) = (5^n - 1)/4.at n=15A003463
• a(n) = (Sum_{i=0..n} 5^i) + 1 - (Sum_{i=0..n} 5^i) mod 2.at n=14A102239
• a(n) = Sum_{j=0..14} n^j.at n=5A104682
• a(n) = (5^n - 1)/(2^(3 - (n mod 2))).at n=15A152417
• a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 16.at n=4A161139
• Expansion of x*(1+5*x-5*x^3)/(1-6*x^2+5*x^4).at n=28A249222