70331
domain: N
Appears in sequences
- Numbers k such that x^k + x^2 + 1 is irreducible over GF(2).at n=20A057460
- Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.at n=2A254992
- Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.at n=1A254993
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.at n=7A254998
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.at n=8A254998
- Expansion of e.g.f. (1 + x)*(1 + x^2/2)*cosh(x).at n=53A388428