a(n) = (A214089(n)^2 - 1) divided by four times the product of the first n primes.
A215085
a(n) = (A214089(n)^2 - 1) divided by four times the product of the first n primes.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =19a(5) =17a(6) =1a(7) =2567a(8) =3350a(9) =128928a(10) =3706896a(11) =1290179a(12) =100170428a(13) =39080794a(14) =61998759572a(15) =7833495265a(16) =45119290746a(17) =581075656330a(18) =8672770990
External references
- oeis: A215085