a(n) = (25*n + 41)*Pochhammer(n, 5) / 6!.

Terms

a(0) =0a(1) =11a(2) =91a(3) =406a(4) =1316a(5) =3486a(6) =8022a(7) =16632a(8) =31812a(9) =57057a(10) =97097a(11) =158158a(12) =248248a(13) =377468a(14) =558348a(15) =806208a(16) =1139544a(17) =1580439a(18) =2154999a(19) =2893814a(20) =3832444a(21) =5011930a(22) =6479330a(23) =8288280a(24) =10499580a(25) =13181805a(26) =16411941a(27) =20276046a(28) =24869936a(29) =30299896