Triangle of numbers associated with Genocchi numbers.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =5a(5) =3a(6) =17a(7) =31a(8) =25a(9) =31a(10) =17a(11) =155a(12) =293a(13) =259a(14) =349a(15) =259a(16) =293a(17) =155a(18) =2073a(19) =3991a(20) =3681a(21) =5151a(22) =4289a(23) =5151a(24) =3681a(25) =3991a(26) =2073a(27) =38227a(28) =74381a(29) =70235