Tenth column (and diagonal) of Narayana triangle A001263.

A134291

Tenth column (and diagonal) of Narayana triangle A001263.

Terms

    a(0) =1a(1) =55a(2) =1210a(3) =15730a(4) =143143a(5) =1002001a(6) =5725720a(7) =27810640a(8) =118195220a(9) =449141836a(10) =1551580888a(11) =4936848280a(12) =14620666060a(13) =40648664980a(14) =106847919376a(15) =267119798440a(16) =638337753625

External references