24005

Appears in sequences

• Numbers that reach the fixed point 89 under iteration of f(x) = reverse(x) - maxdigit(x).at n=30A097155
• Numbers k such that k^2 = 24*j^2 + 25.at n=12A106330
• Expansion of (1-x-x^2)/(1-2x-x^2+x^4).at n=13A124217
• Expansion of x/(1 - x^2 - 2*x^5 - x^8 - x^10 - x^12).at n=34A143375
• Diagonal sums of the Riordan matrix A121576.at n=7A190736
• Number of idempotent n X n 0..6 matrices of rank n-1.at n=4A224331
• T(n,k)=Number of idempotent n X n 0..k matrices of rank n-1.at n=49A224333
• Number of idempotent 5 X 5 0..n matrices of rank 4.at n=5A224336
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=32A272155