G.f. A(x) satisfies A(x) = Sum_{n>=0} x^n * A(x)^A038722(n), where A038722(n) = floor(sqrt(2*n)+1/2)^2 - n + 1.
A192318
G.f. A(x) satisfies A(x) = Sum_{n>=0} x^n * A(x)^A038722(n), where A038722(n) = floor(sqrt(2*n)+1/2)^2 - n + 1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =18a(5) =61a(6) =218a(7) =804a(8) =3052a(9) =11831a(10) =46646a(11) =186487a(12) =754177a(13) =3079767a(14) =12681568a(15) =52595999a(16) =219515014a(17) =921264092a(18) =3885468897a(19) =16459470468a(20) =70001813240a(21) =298785285316
External references
- oeis: A192318