Column 1 and row sums of triangle A130580.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =9a(6) =18a(7) =40a(8) =98a(9) =263a(10) =769a(11) =2439a(12) =8357a(13) =30808a(14) =121677a(15) =512654a(16) =2294579a(17) =10867855a(18) =54272617a(19) =284831748a(20) =1566303877a(21) =9000703543a(22) =53917955406a(23) =335961295910