195615

Appears in sequences

• G(n,1) with n index G(n,i)=n*(G(n,i-1)+G(n,i-2))=(a^i-b^i)*d where d=sqrt(n*(n+4)); a=(n+d)/2; b=(n-d)/2.at n=8A170930
• Least n-gonal number that can be written as a product of two or more smaller n-gonal numbers, or 0 if no such number exists.at n=11A374371
• Odd numbers m such that at least one of the factors of Stern polynomial B(m,x) has at least one negative coefficient.at n=42A389915