49599

Appears in sequences

• Numbers k such that if you subtract k from its reversal you get a positive number with the same digits as k.at n=17A121970
• a(n) = 144*n^2 - 127*n + 28.at n=18A156719
• Integers n such that 2n^2+1, 2n^3+1 and 2n^4+1 are prime.at n=40A239920
• Integers n such that 2n^2+1, 2n^3+1, 2n^4+1 and 2n^5+1 are prime.at n=5A239925
• Number of (n+1) X (5+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=1A250850
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=16A250853
• Number of (2+1) X (n+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=4A250854
• Number of triangular regions in an equilateral triangular "frame" of size n (see Comments in A328526 for definition).at n=20A333032
• Numbers k such that A360522(k) = A360522(k+1).at n=34A360527