Triangle whose (n,k)-th entry is 15^(n-k)*binomial(n,k).

Terms

a(0) =1a(1) =15a(2) =1a(3) =225a(4) =30a(5) =1a(6) =3375a(7) =675a(8) =45a(9) =1a(10) =50625a(11) =13500a(12) =1350a(13) =60a(14) =1a(15) =759375a(16) =253125a(17) =33750a(18) =2250a(19) =75a(20) =1a(21) =11390625a(22) =4556250a(23) =759375a(24) =67500a(25) =3375a(26) =90a(27) =1a(28) =170859375a(29) =79734375