Number of (n+1)X2 0..2 matrices with each 2X2 permanent equal.

A225020

Number of (n+1)X2 0..2 matrices with each 2X2 permanent equal.

Terms

    a(0) =81a(1) =253a(2) =759a(3) =2653a(4) =9273a(5) =34545a(6) =130067a(7) =502563a(8) =1957855a(9) =7707477a(10) =30479641a(11) =121049341a(12) =481805459a(13) =1921111559a(14) =7667874767a(15) =30628405561a(16) =122397615337a(17) =489285404561

External references