4884375

Appears in sequences

• a(n) = (5^n + 5^floor(n/2))/2.at n=10A001447
• Number of reversible strings with n beads of 5 colors.at n=10A032122
• a(n) = (n^10 + n^5)/2.at n=5A071236
• a(n) = m*(m+1)/2, where m = floor(n^(5/2)).at n=24A185542