A046235 Numbers whose cube is palindromic in base 6.
0, 1, 7, 37, 217, 1297, 7777, 46657, 279937, 1679617, 10077697, 60466177, 362797057, 860627456, 2176782337
Offset: 1
Links
- Patrick De Geest, World!Of Numbers, Palindromic cubes in bases 2 to 17.
Crossrefs
Cf. A046236.
Programs
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Mathematica
For[i = 1, i < 1000000, i++, tmp = IntegerDigits[i^3, 6]; If[tmp == Reverse[tmp], Print[i]]]; (* Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 09 2006 *)
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PARI
isok(k) = my(d=digits(k^3, 6)); Vecrev(d) == d; \\ Michel Marcus, Aug 02 2022
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Python
from itertools import count, islice from sympy.ntheory import is_palindromic as ispal def agen(start=0): yield from (k for k in count(start) if ispal(k**3, 6)) print(list(islice(agen(), 10))) # Michael S. Branicky, Aug 02 2022
Extensions
More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 09 2006
Comments