49782
domain: N
Appears in sequences
- Nearest integer to 1/(Sum_{k>=n} 1/k^4).at n=25A083559
- Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 4.at n=36A245144
- a(n) = floor(1/(zeta(4) - Sum_{h=1..n} 1/h^4)).at n=24A248230
- Number of (n+2)X(2+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5.at n=5A252599
- Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5.at n=1A252603
- T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5.at n=22A252605
- T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5.at n=26A252605
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296247