Number of length n+7 0..3 arrays with at most two downsteps in every 7 consecutive neighbor pairs.
A255659
Number of length n+7 0..3 arrays with at most two downsteps in every 7 consecutive neighbor pairs.
Terms
- a(0) =28722a(1) =83752a(2) =265430a(3) =864924a(4) =2816673a(5) =9169016a(6) =29577432a(7) =92530816a(8) =286454024a(9) =900260308a(10) =2873064972a(11) =9187712072a(12) =29298245258a(13) =93413733472a(14) =297026093532a(15) =940176646792
External references
- oeis: A255659