Numerators of Bernoulli numbers 3^n*B(n), with B(n) = A027641(n)/A027642(n).
A285863
Numerators of Bernoulli numbers 3^n*B(n), with B(n) = A027641(n)/A027642(n).
Terms
- a(0) =1a(1) =-3a(2) =3a(3) =0a(4) =-27a(5) =0a(6) =243a(7) =0a(8) =-2187a(9) =0a(10) =98415a(11) =0a(12) =-122408577a(13) =0a(14) =11160261a(15) =0a(16) =-51899996619a(17) =0a(19) =0a(21) =0a(23) =0a(25) =0a(27) =0
External references
- oeis: A285863