30116
domain: N
Appears in sequences
- Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table.at n=36A179628
- Number of nondecreasing -2..2 vectors of length n whose dot product with some nonincreasing -2..2 vector equals n.at n=42A226393
- Number of (n+2) X (n+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order.at n=4A238648
- Number of (n+2)X(5+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order.at n=4A238651
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order.at n=40A238654
- Irregular triangle read by rows: T(n,k) (n >= 1, 2 <= k <= 2*n) = number of interior vertices in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter) where k lines meet.at n=64A334691
- Number of ordered pairs of disjoint strict integer partitions of n.at n=31A365662