a(n) = ADP(n) is the total number of aperiodic k-double-palindromes of n, where 2 <= k <= n.

Terms

a(0) =0a(1) =0a(2) =2a(3) =4a(4) =12a(5) =16a(6) =42a(7) =60a(8) =112a(9) =168a(10) =310a(11) =432a(12) =756a(13) =1106a(14) =1722a(15) =2640a(16) =4080a(17) =6062a(18) =9198a(19) =13860a(20) =20300a(21) =31062a(22) =45034a(23) =68340a(24) =98208a(25) =149940a(26) =212576a(27) =325080a(28) =458724a(29) =700128