Seventh column of quintinomial coefficients.

Terms

a(0) =3a(1) =19a(2) =68a(3) =185a(4) =426a(5) =875a(6) =1652a(7) =2922a(8) =4905a(9) =7887a(10) =12232a(11) =18395a(12) =26936a(13) =38535a(14) =54008a(15) =74324a(16) =100623a(17) =134235a(18) =176700a(19) =229789a(20) =295526a(21) =376211a(22) =474444a(23) =593150a(24) =735605a(25) =905463a(26) =1106784a(27) =1344063a(28) =1622260a(29) =1946831