52226
domain: N
Appears in sequences
- Expansion of 1/((1-x)^2*(1-x^2)^2*(1-x^3)*(1-x^4)^2*(1-x^5)).at n=32A069957
- a(n) = sum_{k=1..n} prime(k)*prime(k+1).at n=22A074745
- Expansion of Product_{k>=0} 1/(1-x^(3*k+1))^4.at n=22A261635
- Number of distinct board states reachable in n jumps in European Peg Solitaire.at n=7A355295
- a(n) = Sum_{k=0..floor(n/7)} binomial(n-4*k,3*k).at n=28A370722
- Number of compositions of 7*n into parts 3 and 7.at n=12A373909
- Expansion of 1/(1 - x^3*(1 + x)^4).at n=21A375318
- a(n) = Sum_{k=0..floor(2*n/7)} binomial(2*n-4*k,3*k).at n=14A392403