a(n) = n base 5, under morphism f(1) = 121, f(2) = 123, f(3) = 141, f(4) = 142, or 0 if n base 5 has a zero.
A137850
a(n) = n base 5, under morphism f(1) = 121, f(2) = 123, f(3) = 141, f(4) = 142, or 0 if n base 5 has a zero.
Terms
- a(0) =121a(1) =123a(2) =141a(3) =142a(4) =0a(5) =121121a(6) =121123a(7) =121141a(8) =121142a(9) =0a(10) =123121a(11) =123123a(12) =123141a(13) =123142a(14) =0a(15) =141121a(16) =141123a(17) =141141a(18) =141142a(19) =0a(20) =142121a(21) =142123a(22) =142141a(23) =142142a(24) =0a(25) =0a(26) =0a(27) =0a(28) =0a(29) =0
External references
- oeis: A137850