A117114 Number of letters not in common with the number before in Spanish.
2, 2, 3, 4, 3, 3, 2, 4, 5, 3, 3, 1, 3, 3, 4, 6, 2, 4, 5, 1, 4, 2, 3
Offset: 0
Examples
a(1)=2 from UNo & cerO, a(2)=2 from DoS & unO, a(3)=3 from TREs & doS, a(8)=4 from OCHO & siete, etc.