Array t(n,k) = k^(2n)*(k^(2n)-1)*BernoulliB(2n)/(2n), n>=1, k>=2, absolute values read by ascending antidiagonals.

A241066

Array t(n,k) = k^(2n)*(k^(2n)-1)*BernoulliB(2n)/(2n), n>=1, k>=2, absolute values read by ascending antidiagonals.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =16a(4) =54a(5) =20a(6) =272a(7) =2106a(8) =544a(9) =50a(10) =7936a(11) =179334a(12) =66560a(13) =3250a(14) =105a(15) =353792a(16) =26414586a(17) =17895424a(18) =968750a(19) =13986a(20) =196a(21) =22368256a(22) =5957217414a(23) =8329625600a(24) =635781250a(25) =8637840a(26) =48020a(27) =336a(28) =1903757312a(31) =722480468750

External references