194851
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=27A117823
- Number of n X 4 0..3 arrays with row sums 4 and column sums n.at n=4A172740
- Number of n X 5 0..3 arrays with row sums 5 and column sums n.at n=3A172742
- Number of 5*n X 4*n 0..3 arrays with row sums 4 and column sums 5.at n=0A172790