834519021

Appears in sequences

• Expansion of 1/(1-x^2*(1+x)^3).at n=34A116090
• Number of compositions of 5*n-3 into parts 2 and 5.at n=20A369843
• a(n) = Sum_{k=0..floor(3*n/5)} binomial(3*n-3*k,2*k).at n=17A375307