Kim-sums: "Kimberling sums" K_n + K_5.

Terms

a(0) =4a(1) =13a(2) =16a(3) =18a(4) =21a(5) =24a(6) =26a(7) =29a(8) =31a(9) =34a(10) =37a(11) =39a(12) =42a(13) =45a(14) =47a(15) =50a(16) =52a(17) =55a(18) =58a(19) =60a(20) =63a(21) =65a(22) =68a(23) =71a(24) =73a(25) =76a(26) =79a(27) =81a(28) =84a(29) =86