Palindromes of form k^2 + k + 2.

Terms

a(0) =2a(1) =4a(2) =8a(3) =22a(4) =44a(5) =212a(6) =242a(7) =464a(8) =2552a(9) =8558a(10) =40604a(11) =41414a(12) =85558a(13) =229922a(14) =805508a(15) =2029202a(16) =2342432a(17) =2737372a(18) =4006004a(19) =4437344a(20) =4767674a(21) =281585182a(22) =400060004a(23) =440727044a(24) =805282508a(25) =8059999508a(26) =40000600004a(27) =47997579974a(28) =251476674152