A097856 Base 10 numbers that are palindromic in bases 2 and 4.
0, 1, 3, 5, 15, 17, 21, 51, 63, 65, 85, 195, 255, 257, 273, 325, 341, 771, 819, 975, 1023, 1025, 1105, 1285, 1365, 3075, 3315, 3855, 4095, 4097, 4161, 4369, 4433, 5125, 5189, 5397, 5461, 12291, 12483, 13107, 13299, 15375, 15567, 16191, 16383, 16385, 16705
Offset: 1
Examples
255 base 2 = 11111111 and 255 base 4 = 3333.
Links
- Robert G. Wilson v, Table of n, a(n) for n = 1..10000
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