163112

Appears in sequences

• G.f.: exp( Sum_{n>=1} sigma(3n)*x^n/n ).at n=15A182819
• G.f. A(x) satisfies A(x) = 1+x^2/(1-x)*A(x^2/(1-x)).at n=25A201196
• Number of length n+4 0..5 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.at n=2A248998
• T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.at n=23A249001
• Number of length 3+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.at n=4A249004