Sum of the numbers in row n of the triangular array at A248686.
A248687
Sum of the numbers in row n of the triangular array at A248686.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =43a(4) =221a(5) =1371a(6) =9696a(7) =78751a(8) =712447a(9) =7173853a(10) =79106413a(11) =952587175a(12) =12397677007a(13) =173864946685
External references
- oeis: A248687