Row sums of triangle A118040, which is the matrix square of triangle A118032; also equals a bisection of A118037, which is the antidiagonal sums of A118032.
A118044
Row sums of triangle A118040, which is the matrix square of triangle A118032; also equals a bisection of A118037, which is the antidiagonal sums of A118032.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =37a(4) =121a(5) =377a(6) =1127a(7) =3275a(8) =9139a(9) =24911a(10) =65743a(11) =170261a(12) =429911a(13) =1068693a(14) =2602437a(15) =6248267a(16) =14746263a(17) =34366353a(18) =78885131a(19) =178907811a(20) =400485713a(21) =886837949a(22) =1940245619a(23) =4200715093a(24) =8999509127a(25) =19101341559a(26) =40144957769
External references
- oeis: A118044