Sixth column of triangle A115193 (called C(1,2)).
A115203
Sixth column of triangle A115193 (called C(1,2)).
Terms
- a(0) =1a(1) =11a(2) =93a(3) =723a(4) =5437a(5) =40323a(6) =297469a(7) =2191875a(8) =16164861a(9) =119443459a(10) =884719613a(11) =6570430467a(12) =48927031293a(13) =365303660547
External references
- oeis: A115203