[1,3,11,15,31,35,51,121,341,451,455,671,781,1111, 1235,1271,1441,1547,1661,1991,2091,2101,2321,2651, 2761,2981,3091,3421,3641,3731,3751,4403,4411,4631, 4741,5071,5401,5731,5951,6171,6191,6281,6611,6851, 6941,7051,7271,7601,7711,8261,8371,8435,8921]