Start with 1 and repeatedly reverse the digits and add 42 to get the next term.

Terms

a(0) =1a(1) =43a(2) =76a(3) =109a(4) =943a(5) =391a(6) =235a(7) =574a(8) =517a(9) =757a(10) =799a(11) =1039a(12) =9343a(13) =3481a(14) =1885a(15) =5923a(16) =3337a(17) =7375a(18) =5779a(19) =9817a(20) =7231a(21) =1369a(22) =9673a(23) =3811a(24) =1225a(25) =5263a(26) =3667a(27) =7705a(28) =5119a(29) =9157