Tenth column of trinomial coefficients.

Terms

a(0) =5a(1) =50a(2) =266a(3) =1016a(4) =3139a(5) =8350a(6) =19855a(7) =43252a(8) =87802a(9) =168168a(10) =306735a(11) =536640a(12) =905658a(13) =1481108a(14) =2355962a(15) =3656360a(16) =5550755a(17) =8260934a(18) =12075184a(19) =17363896a(20) =24597925a(21) =34370050a(22) =47419905a(23) =64662780a(24) =87222720a(25) =116470380a(26) =154066125a(27) =202008896a(28) =262691396a(29) =338962184