a(n) is the numerator of Sum_{k=0..n} (-1)^k / (k!)^2.
A354304
a(n) is the numerator of Sum_{k=0..n} (-1)^k / (k!)^2.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =43a(5) =403a(6) =23213a(7) =118483a(8) =51997111a(9) =1842647621a(10) =327581799289
External references
- oeis: A354304