a(n) = denominator(Sum_{j=0..2*n} Bernoulli(j, 1) * Bernoulli(2*n - j, 1)).
A363152
a(n) = denominator(Sum_{j=0..2*n} Bernoulli(j, 1) * Bernoulli(2*n - j, 1)).
Terms
- a(0) =1a(1) =12a(2) =180a(3) =630a(4) =2100a(5) =3465a(6) =6306300a(7) =30030a(8) =2187900a(9) =101846745a(10) =355655300a(11) =133855722a(12) =121808707020a(13) =10140585a(14) =194090796900a(17) =300840735195
External references
- oeis: A363152