G.f.: exp( Sum_{n>=1} A002203(n)^3 * x^n/n ), where A002203 is the companion Pell numbers.
A212442
G.f.: exp( Sum_{n>=1} A002203(n)^3 * x^n/n ), where A002203 is the companion Pell numbers.
Terms
- a(0) =1a(1) =8a(2) =140a(3) =1864a(4) =26602a(5) =373080a(6) =5253564a(7) =73911192a(8) =1040045475a(9) =14634444720a(10) =205922568360
External references
- oeis: A212442