Number of 0..5 arrays of length n with no adjacent pair equal to its immediately preceding adjacent pair, and new values introduced in 0..5 order.
A212826
Number of 0..5 arrays of length n with no adjacent pair equal to its immediately preceding adjacent pair, and new values introduced in 0..5 order.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =13a(4) =44a(5) =168a(6) =716a(7) =3331a(8) =16599a(9) =87059a(10) =473569a(11) =2641428a(12) =14982656a(13) =85930423a(14) =496412949a(15) =2881216925a(16) =16773626497a(17) =97843056510a(18) =571457023718
External references
- oeis: A212826