A046241 Numbers whose cube is palindromic in base 9.
0, 1, 2, 10, 38, 82, 91, 730, 6562, 6643, 59050, 531442, 532171, 4782970, 43046722, 43053283, 387420490, 3486784402, 3486843451, 31381059610
Offset: 1
Links
- Patrick De Geest, World!Of Numbers, Palindromic cubes in bases 2 to 17.
Crossrefs
Cf. A046242.
Programs
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PARI
isok(k) = my(d=digits(k^3, 9)); 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(startk=0): yield from (k for k in count(startk) if ispal(k**3, 9)) print(list(islice(agen(), 13))) # Michael S. Branicky, Aug 02 2022
Extensions
More terms from Ryan Propper, Jun 01 2006
Comments