24706

Appears in sequences

• Base-7 digits are, in order, the first n terms of the periodic sequence with initial period 1,3,2,0.at n=5A037712
• Conjecturally, the largest k such that prime(n)^2 is the largest squared prime divisor of binomial(2k,k).at n=40A239623
• Number of (n+2) X (n+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.at n=3A251644
• Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.at n=3A251648
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.at n=24A251652
• a(n)=least number m such that gcd(prime(m)+2,prime(m+1)+2) = 2*n-1.at n=16A268863