24747

Appears in sequences

• Numbers whose base-5 representation contains exactly three 2's and three 4's.at n=26A045292
• Numbers n such that 4^n - n is prime.at n=6A057908
• Number of n X 3 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.at n=6A231377
• Number of nX7 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.at n=2A231381
• T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.at n=38A231382
• T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.at n=42A231382
• Least k > 0 such that gcd(k^n + 8, (k+1)^n + 8) > 1, or 0 if there is no such k.at n=7A255858
• Numbers n such that n^2048 + (n+1)^2048 is prime.at n=25A274235
• a(n) = 27*n^2/2 + 45*n/2 - 12 (n>=1).at n=41A304375
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=9A306125