Smallest positive number using exactly n segments on a calculator display (when '6' and '7' are represented using 6 resp. 3 segments).
A216261
Smallest positive number using exactly n segments on a calculator display (when '6' and '7' are represented using 6 resp. 3 segments).
Terms
- a(0) =1a(1) =7a(2) =4a(3) =2a(4) =0a(5) =8a(6) =10a(7) =18a(8) =22a(9) =20a(10) =28a(11) =68a(12) =88a(13) =108a(14) =188a(15) =200a(16) =208a(17) =288a(18) =688a(19) =888a(20) =1088a(21) =1888a(22) =2008a(23) =2088a(24) =2888a(25) =6888a(26) =8888a(27) =10888a(28) =18888a(29) =20088
External references
- oeis: A216261