a(n) = 1 + Sum_{k=0..n-1} binomial(n+3,k+4) * a(k).
A352862
a(n) = 1 + Sum_{k=0..n-1} binomial(n+3,k+4) * a(k).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =36a(4) =170a(5) =865a(6) =4742a(7) =27757a(8) =172375a(9) =1130865a(10) =7809057a(11) =56572404a(12) =428710587a(13) =3389749264a(14) =27901667938a(15) =238599540142
External references
- oeis: A352862