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A074901
Increasingly larger bases required for composite numbers to become prime by base reversal (A075243).
1
0, 2, 4, 6, 8, 9, 12, 26, 27, 34, 38, 48, 54, 60, 96, 150, 168, 180, 420, 438, 462, 468, 522, 540, 570, 828, 1320, 1782, 2130, 2142, 2280, 2370, 2448, 2700, 2760, 2790, 2808, 2922, 2952, 2982, 3012, 3402, 3570, 3582, 3972, 4218, 4860, 5148
OFFSET
1,2
CROSSREFS
Cf. A075243.
Sequence in context: A298305 A090958 A245047 * A189294 A125990 A319776
KEYWORD
nonn,base,hard,more
AUTHOR
Robert G. Wilson v, Sep 16 2002
EXTENSIONS
More terms from Amiram Eldar, Jun 04 2021
STATUS
approved