Triangle from inverse scaled Pochhammer symbols.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =7a(8) =11a(9) =1a(10) =1a(11) =15a(12) =85a(13) =50a(14) =1a(15) =1a(16) =31a(17) =575a(18) =1660a(19) =274a(20) =1a(21) =1a(22) =63a(23) =3661a(24) =46760a(25) =48076a(26) =1764a(27) =1a(28) =1a(29) =127