Least number k such that the arithmetic derivatives of the composite numbers k-n and k+n are equal.

Terms

a(0) =138004a(1) =23a(2) =2012a(3) =136a(4) =72708a(5) =22a(6) =1449858a(7) =41a(8) =264a(9) =28a(10) =1116a(11) =107a(12) =112a(13) =44a(14) =11752a(15) =292a(16) =1047798a(17) =68a(18) =88212a(19) =71a(20) =2478418a(21) =54a(22) =452a(23) =119a(24) =220a(25) =92a(26) =582a(27) =592a(28) =40284a(29) =191