a(n) = A001950(A003234(n)) + 1.

Terms

a(0) =8a(1) =21a(2) =29a(3) =42a(4) =50a(5) =55a(6) =63a(7) =76a(8) =84a(9) =97a(10) =110a(11) =118a(12) =131a(13) =139a(14) =144a(15) =152a(16) =165a(17) =173a(18) =186a(19) =194a(20) =199a(21) =207a(22) =220a(23) =228a(24) =241a(25) =254a(26) =262a(27) =275a(28) =283a(29) =288