108185

Appears in sequences

• Number of isomorphism classes of nanocones with 4 pentagons and a symmetric boundary of length n.at n=24A198015
• Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors.at n=40A321494
• a(n) = Sum_{i+j+k+l+m=n, i,j,k,l,m >= 1} sigma(i)*sigma(j)*sigma(k)*sigma(l)*sigma(m).at n=12A374978