A118536 Start with 1 and repeatedly reverse the digits and add 36 to get the next term.

1, 37, 109, 937, 775, 613, 352, 289, 1018, 8137, 7351, 4573, 3790, 1009, 9037, 7345, 5473, 3781, 1909, 9127, 7255, 5563, 3691, 1999, 10027, 72037, 73063, 36073, 37099, 99109, 90235, 53245, 54271, 17281, 18307, 70417, 71443, 34453, 35479, 97489, 98515, 51625, 52651, 15661, 16687, 78697, 79723, 32833, 33859, 95869, 96895, 59905, 51031, 13051, 15057, 76087, 78103, 30223, 32239, 93259, 95275, 57295, 59311, 11431, 13447, 74467, 76483, 38503, 30619, 91639, 93655, 55675, 57691, 19711, 11827, 72847, 74863, 36883, 38899, 99919, 92035, 53065, 65071, 17092, 29107, 70228, 82243, 34264, 46279, 97300, 415, 550, 91, 55, 91, 55, 91, 55