Fifth binomial transform of binomial(n+2, 2).

Terms

a(0) =1a(1) =8a(2) =61a(3) =450a(4) =3240a(5) =22896a(6) =159408a(7) =1096416a(8) =7464960a(9) =50388480a(10) =337602816a(11) =2247326208a(12) =14874679296a(13) =97955205120a(14) =642150789120