Number of indecomposable (by concatenation) alternating n-anagrams.

A218826

Number of indecomposable (by concatenation) alternating n-anagrams.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =25a(4) =217a(5) =2470a(6) =35647a(7) =637129a(8) =13843948a(9) =360022957a(10) =11054457253a(11) =396003680518

External references