Numbers k such that Sum_{j=1..k-1} (4j)!/16^j is an integer.
A216044
Numbers k such that Sum_{j=1..k-1} (4j)!/16^j is an integer.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =15a(4) =61a(5) =106a(6) =253a(7) =27545a(8) =62785a(9) =218107a(10) =1004593
External references
- oeis: A216044