A triangle formed like Pascal's triangle, but with 5^n on the borders instead of 1.

Terms

a(0) =1a(1) =5a(2) =5a(3) =25a(4) =10a(5) =25a(6) =125a(7) =35a(8) =35a(9) =125a(10) =625a(11) =160a(12) =70a(13) =160a(14) =625a(15) =3125a(16) =785a(17) =230a(18) =230a(19) =785a(20) =3125a(21) =15625a(22) =3910a(23) =1015a(24) =460a(25) =1015a(26) =3910a(27) =15625a(28) =78125a(29) =19535