Smallest label f(T) given to a rooted tree T with n nodes in Matula-Goebel labeling.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =15a(6) =25a(7) =45a(8) =75a(9) =125a(10) =225a(11) =375a(12) =625a(13) =1125a(14) =1875a(15) =3125a(16) =5625a(17) =9375a(18) =15625a(19) =28125a(20) =46875a(21) =78125a(22) =140625a(23) =234375a(24) =390625a(25) =703125a(26) =1171875a(27) =1953125a(28) =3515625a(29) =5859375