a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A010371).
A350438
a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A010371).
Terms
- a(0) =0a(1) =0a(2) =1a(3) =1a(4) =3a(5) =6a(6) =11a(7) =14a(8) =23a(9) =39a(10) =71a(11) =118a(12) =195a(13) =317a(14) =537a(15) =906a(16) =1533a(17) =2550a(18) =4261a(19) =7119a(20) =11973a(21) =20073a(22) =33650a(23) =56277a(24) =94286a(25) =157960a(26) =264843a(27) =443656a(28) =743269a(29) =1244915
External references
- oeis: A350438