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

Terms

a(0) =0a(1) =1a(2) =3a(3) =6a(4) =13a(5) =21a(6) =43a(7) =68a(8) =116a(9) =185a(10) =311a(11) =464a(12) =757a(13) =1157a(14) =1741a(15) =2720a(16) =4081a(17) =6214a(18) =9199a(19) =14078a(20) =20353a(21) =31405a(22) =45035a(23) =68930a(24) =98224a(25) =150761a(26) =212706a(27) =326362a(28) =458725a(29) =702209