Diagonal immediately below the main diagonal of triangle A130521.
A130522
Diagonal immediately below the main diagonal of triangle A130521.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =8a(4) =25a(5) =89a(6) =349a(7) =1496a(8) =6962a(9) =34861a(10) =186678a(11) =1063591a(12) =6418167a(13) =40860485a(14) =273513831a(15) =1919284246a(16) =14080876273a(17) =107750778177a(18) =858195666410
External references
- oeis: A130522