Number of nonnegative integer arrays of length n+2*3-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 3.
A211695
Number of nonnegative integer arrays of length n+2*3-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 3.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =7a(5) =12a(6) =19a(7) =33a(8) =59a(9) =102a(10) =182a(11) =334a(12) =608a(13) =1121a(14) =2109a(15) =3979a(16) =7564a(17) =14581a(18) =28292a(19) =55245a(20) =108972a(21) =216521a(22) =432839a(23) =872163a(24) =1769716a(25) =3612292a(26) =7422748a(27) =15351002a(28) =31928839a(29) =66803627
External references
- oeis: A211695