Number of nonnegative integer arrays of length n+6 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value n+1.
A211839
Number of nonnegative integer arrays of length n+6 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value n+1.
Terms
- a(0) =664a(1) =2621a(2) =9068a(3) =27312a(4) =72840a(5) =175475a(6) =388512a(7) =801674a(8) =1558833a(9) =2881546a(10) =5099561a(11) =8689553a(12) =14323455a(13) =22927854a(14) =35756027a(15) =54474297a(16) =81264494a(17) =118944411a(18) =171108250a(19) =242289158a(20) =338146058a(21) =465677085a(22) =633462042a(23) =851936396a(24) =1133699439
External references
- oeis: A211839