297003
domain: N
Appears in sequences
- Number of strings of n numbers x(i) in -2..2 with sums of x(i) and of x(i)*x(i+1) both zero.at n=10A183937
- Irregular triangle read by rows: T(n,k) (n>=2, k>=1) = number of strong tournaments on n nodes with k descents.at n=40A339590
- Irregular triangle read by rows: T(n,k) (n>=2, k>=1) = number of strong tournaments on n nodes with k descents.at n=41A339590