Triangle of numbers associated with Genocchi numbers.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =2a(6) =7a(7) =12a(8) =12a(9) =7a(10) =38a(11) =69a(12) =81a(13) =69a(14) =38a(15) =295a(16) =552a(17) =702a(18) =702a(19) =552a(20) =295a(21) =3098a(22) =5901a(23) =7857a(24) =8559a(25) =7857a(26) =5901a(27) =3098a(28) =42271a(29) =81444