Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*5^j.

Terms

a(0) =1a(1) =5a(2) =5a(3) =25a(4) =50a(5) =25a(6) =125a(7) =375a(8) =375a(9) =125a(10) =625a(11) =2500a(12) =3750a(13) =2500a(14) =625a(15) =3125a(16) =15625a(17) =31250a(18) =31250a(19) =15625a(20) =3125a(21) =15625a(22) =93750a(23) =234375a(24) =312500a(25) =234375a(26) =93750a(27) =15625a(28) =78125a(29) =546875