A recursion triangle sequence: A(n,k) = A(n-1,k-1)+e(n-1,k) where e(n,k)=Sum[(-1)^j Binomial[n + 1, j](k - j)^n, {j, 0, k}].
A157744
A recursion triangle sequence: A(n,k) = A(n-1,k-1)+e(n-1,k) where e(n,k)=Sum[(-1)^j Binomial[n + 1, j](k - j)^n, {j, 0, k}].
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =2a(8) =3a(9) =1a(10) =1a(11) =2a(12) =6a(13) =4a(14) =1a(15) =1a(16) =2a(17) =13a(18) =17a(19) =5a(20) =1a(21) =1a(22) =2a(23) =28a(24) =79a(25) =43a(26) =6a(27) =1a(28) =1a(29) =2
External references
- oeis: A157744