a(0) = 1, a(1) = 0; a(n+2) = Sum_{k=0..n} Stirling2(n,k) * a(k).
A345177
a(0) = 1, a(1) = 0; a(n+2) = Sum_{k=0..n} Stirling2(n,k) * a(k).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =3a(6) =8a(7) =28a(8) =149a(9) =1029a(10) =8039a(11) =69375a(12) =675541a(13) =7584630a(14) =98484836a(15) =1457695370a(16) =24117255106a(17) =439505090491
External references
- oeis: A345177