23912

Appears in sequences

• Number of different cuboids with volume (pq)^n, where p,q are distinct prime numbers.at n=26A101427
• Numbers k such that k^2 + 1 == 0 (mod 41^2).at n=28A157116
• (A192533)/2.at n=38A192534
• Number of (n+2)X3 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=5A204354
• Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=0A204359
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=15A204361
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=20A204361
• Number of (w,x,y,z) with all terms in {1,...,n} and w<=|x-y|+|y-z|.at n=14A212673
• a(n) = Sum_{i=1..n-1}(i^(n-2)) mod n^4.at n=15A284760
• a(n)^2 is the end of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245).at n=43A340664