Number of integer partitions of n having no permutation with all equal run-lengths.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =4a(8) =4a(9) =9a(10) =11a(11) =18a(12) =21a(13) =34a(14) =41a(15) =55a(16) =69a(17) =98a(18) =120a(19) =160a(20) =189a(21) =249a(22) =309a(23) =396a(24) =472a(25) =605a(26) =734a(27) =913a(28) =1099a(29) =1371