Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)*B(2k)*B(2n-2k), where the B() are the even-indexed Bernoulli numbers.
A228969
Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)*B(2k)*B(2n-2k), where the B() are the even-indexed Bernoulli numbers.
Terms
- a(0) =6a(1) =5a(2) =25a(3) =28a(4) =70a(5) =588a(6) =45a(7) =1050a(8) =4410a(9) =3825a(10) =22a(11) =165a(12) =924a(13) =2805a(14) =7502a(15) =91a(16) =5005a(17) =63063a(18) =255255a(19) =341341a(20) =124215a(21) =24a(22) =1820a(23) =168168a(24) =12870a(25) =2730728a(26) =496860a(27) =131064a(28) =17a(29) =1700
External references
- oeis: A228969