28450
domain: N
Appears in sequences
- a(0) = 0, a(1) = 1; for n >= 2, a(n) = a(n-1) + a(n-2) - n if that number is positive and not already in the sequence, otherwise a(n) = a(n-1) + a(n-2) + n.at n=23A117823
- Expansion of q^(-3/4) * eta(q)^2 * eta(q^2)^4 * eta(q^8)^4 / eta(q^4)^6 in powers of q.at n=43A135467
- Number of n X 4 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=5A223640
- Number of nX6 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=3A223642
- T(n,k)=Number of nXk 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=39A223644
- T(n,k)=Number of nXk 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=41A223644
- Number of (n+1)X(6+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=0A250992
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=15A250994
- Number of (1+1) X (n+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=5A250995
- Expansion of Product_{k>=1} 1/(1-x^(k+7))^k.at n=47A263363