a(n) is the difference between multiples of 9 with even and odd digit sum in base 8 in interval [0,8^n).
A212593
a(n) is the difference between multiples of 9 with even and odd digit sum in base 8 in interval [0,8^n).
Terms
- a(0) =1a(1) =8a(2) =15a(3) =232a(4) =449a(5) =7400a(6) =14351a(7) =237832a(8) =461313a(9) =7648968a(10) =14836623a(11) =246015528a(12) =477194433a(13) =7912700328a(14) =15348206223a(15) =254499628104a(16) =493651049985
External references
- oeis: A212593