19529
domain: N
Appears in sequences
- Frobenius number of the numerical semigroup generated by 3 consecutive triangular numbers.at n=27A069755
- Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 7.at n=7A252194
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 7.at n=28A252201
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 7.at n=35A252201
- Number of 6Xn binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=7A266939
- Number of non-isomorphic hypertrees of weight n.at n=19A304867
- Number of integer partitions of n whose run-lengths are not unimodal.at n=42A332281