a(n) = Sum_{k=0..n}(-1)^(n-k)*binomial(n, k)*|A021009(n, k)|.
A343840
a(n) = Sum_{k=0..n}(-1)^(n-k)*binomial(n, k)*|A021009(n, k)|.
Terms
- a(0) =1a(1) =0a(2) =-5a(3) =22a(4) =9a(5) =-1244a(6) =14335a(7) =-79470a(8) =-586943a(9) =25131304a(10) =-434574909a(11) =4418399470a(12) =8524321465
External references
- oeis: A343840