Number of n-length words on infinite alphabet {1,2,...} such that the maximal runs of consecutive equal integers have lengths that are at least as great as the integer.

A242551

Number of n-length words on infinite alphabet {1,2,...} such that the maximal runs of consecutive equal integers have lengths that are at least as great as the integer.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =11a(5) =24a(6) =53a(7) =118a(8) =261a(9) =577a(10) =1276a(11) =2823a(12) =6246a(13) =13819a(14) =30572a(15) =67635a(16) =149630a(17) =331029a(18) =732344a(19) =1620187a(20) =3584388a(21) =7929844a(22) =17543415a(23) =38811782a(24) =85864379a(25) =189960150a(26) =420254129a(27) =929739922a(28) =2056889538a(29) =4550514023

External references