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A354474 Numbers that can be written as reversals in two different bases, where the bases are also reversals of each other. (Trailing zeros are not allowed.) 2
65, 67, 75, 85, 96, 130, 134, 150, 170, 192, 195, 225, 255, 288, 300, 327, 340, 375, 381, 425, 433, 450, 487, 510, 525, 595, 600, 654, 665, 667, 675, 680, 750, 762, 765, 795, 825, 895, 900, 927, 974, 975, 981, 996, 1050, 1125, 1200, 1275, 1277, 1308, 1330, 1334, 1340, 1350, 1535, 1590 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Proved infinite by Álvaro Lozano-Robledo.
LINKS
Jordan Canevari, Python program
Á. Lozano-Robledo and J. Canevari, Proof that the sequence is infinite
EXAMPLE
65 = (4,1)_16 = (1,4)_61.
134 = (10,4)_13 = (4,10)_31.
PROG
(Python) # See Canevari link.
CROSSREFS
Subsequence of A355313.
Sequence in context: A044875 A174928 A355313 * A081647 A257444 A045025
KEYWORD
nonn,base
AUTHOR
Jordan Canevari, Jun 25 2022
STATUS
approved

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Last modified February 26 02:39 EST 2024. Contains 370335 sequences. (Running on oeis4.)