Triangle read by rows, whose row sums using Euler numbers are the unsigned even-indexed Bernoulli numbers (denominators).

A229097

Triangle read by rows, whose row sums using Euler numbers are the unsigned even-indexed Bernoulli numbers (denominators).

Terms

    a(0) =6a(1) =60a(2) =60a(3) =672a(4) =112a(5) =672a(6) =8160a(7) =544a(8) =544a(9) =8160a(10) =523776a(11) =130944a(12) =261888a(13) =130944a(14) =523776a(15) =1397760a(16) =93184a(17) =6656a(18) =6656a(19) =93184a(20) =1397760a(21) =3121152a(22) =22368256a(23) =44736512a(24) =11184128a(25) =44736512a(26) =22368256a(27) =3121152a(28) =268431360

External references