a(n)*n = A112897(n).

Terms

a(0) =4a(1) =22a(2) =148a(3) =1111a(4) =88888a(5) =74074a(6) =2063492a(7) =55555518a(8) =49382716a(9) =4444444444a(10) =40404040404a(11) =37037037037