{Sum of all k-digit numbers > n }-{sum of all k-digit numbers < n}, n is a 'k'digit number.

Terms

a(0) =44a(1) =41a(2) =36a(3) =29a(4) =20a(5) =9a(6) =-4a(7) =-19a(8) =-36a(9) =4895a(10) =4874a(11) =4851a(12) =4826a(13) =4799a(14) =4770a(15) =4739a(16) =4706a(17) =4671a(18) =4634a(19) =4595a(20) =4554a(21) =4511a(22) =4466a(23) =4419a(24) =4370a(25) =4319a(26) =4266a(27) =4211a(28) =4154a(29) =4095