A204085 Consider integers m such that both m and 2m are decimal pandigital numbers (A050278). The sequence gives indices of m in A050278.
1, 3, 7, 9, 13, 15, 25, 27, 31, 33, 37, 39, 49, 51, 55, 57, 61, 63, 73, 75, 79, 81, 85, 87, 153, 155, 156, 157, 163, 166, 177, 179, 180, 181, 187, 190, 193, 195, 217, 219, 226, 232, 273, 275, 276, 277, 283, 286, 297, 299, 300, 301, 307, 310, 313, 315, 337
Offset: 1
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