Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6.
A211846
Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6.
Terms
- a(0) =1a(1) =13a(2) =113a(3) =785a(4) =4755a(5) =26163a(6) =134164a(7) =651814a(8) =3035018a(9) =13657458a(10) =59769854a(11) =255628486a(12) =1072565093a(13) =4428689165a(14) =18041493575a(15) =72667375995a(16) =289905733805
External references
- oeis: A211846