139520

Appears in sequences

• Number of paraffins (see Losanitsch reference for precise definition).at n=31A006010
• Fourier coefficients of T_{10}.at n=3A035315
• Principal diagonal of the convolution array A213841.at n=29A213842
• a(n) = Sum_{d|n} max(d, n/d)^4.at n=15A297843
• Triangle read by rows: T(n,k) is the number of k-colored graphs on n nodes with restricted labels, n>=0, 0<=k<=n.at n=38A335330
• a(n) = A341886(n)/2; numbers k such that A307437(k) is even.at n=25A341887