A116531 Number of letters in common in the English names for the numbers n and n+1.
2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 4, 3, 5, 5, 5, 5, 5, 6, 3, 6, 7, 7, 7, 7, 7, 7, 7, 8, 4, 6, 7, 7, 7, 7, 7, 7, 7, 8, 3, 5, 6, 6, 6, 6, 6, 6, 6, 7, 4, 5, 6, 6, 6, 6, 6, 6, 6, 7, 3, 5, 6, 6, 6, 6, 6, 6, 6, 7, 5, 7, 8, 8, 8, 8, 8, 8, 8, 9, 4, 6, 7, 7, 7, 7, 7, 7, 7, 8, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 4, 10, 11, 11
Offset: 0
Examples
a(0)=2 from OnE and zErO, a(1)=1 from twO and One, a(2)=1 from Three and Two, a(7)=1 from Eight and sEven, etc.
Crossrefs
Cf. A109382.
Extensions
Corrected and edited by Robert G. Wilson v, Apr 06 2006