Square array read by upward antidiagonals: T(n, k) = denominator( 2*k!*(-2)^k*Sum_{m=1..n}( 1/(2*m-1)^(k+1) ) ).

A370691

Square array read by upward antidiagonals: T(n, k) = denominator( 2*k!*(-2)^k*Sum_{m=1..n}( 1/(2*m-1)^(k+1) ) ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =1a(5) =1a(6) =15a(7) =9a(8) =1a(9) =1a(10) =105a(11) =225a(12) =27a(13) =1a(14) =765765a(15) =405810405a(19) =89339709375a(20) =3796875a(21) =729a(22) =1a(23) =1a(24) =1a(25) =315a(26) =11025a(27) =3375a(28) =27a(29) =1a(30) =1a(31) =3465a(32) =99225

External references