Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*10^j.

Terms

a(0) =1a(1) =5a(2) =10a(3) =25a(4) =100a(5) =100a(6) =125a(7) =750a(8) =1500a(9) =1000a(10) =625a(11) =5000a(12) =15000a(13) =20000a(14) =10000a(15) =3125a(16) =31250a(17) =125000a(18) =250000a(19) =250000a(20) =100000a(21) =15625a(22) =187500a(23) =937500a(24) =2500000a(25) =3750000a(26) =3000000a(27) =1000000a(28) =78125a(29) =1093750