40007

Appears in sequences

• Coefficients of a polynomial used in calculation of A055913.at n=19A055916
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and pyramid weight k.at n=49A129163
• a(n) = Sum_{m=0..floor((n-1)/2)} prime((n-m)(n-m-1)/2+m+1).at n=33A249490