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A004646 Powers of 2 written in base 7. 3
1, 2, 4, 11, 22, 44, 121, 242, 514, 1331, 2662, 5654, 14641, 32612, 65524, 164351, 362032, 1054064, 2141161, 4312352, 11625034, 23553101, 50436202, 131205404, 262414111, 555131222, 1443262444, 3216555221, 6436443442, 16206220214, 35415440431, 104134211162 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
Table[FromDigits[IntegerDigits[2^n, 7]], {n, 0, 40}] (* Vladimir Joseph Stephan Orlovsky, Feb 17 2012 *)
PROG
(PARI) for(n=0, 30, print1(fromdigits(digits(2^n, 7)), ", ")) \\ G. C. Greubel, Sep 10 2018
(Magma) [Seqint(Intseq(2^n, 7)): n in [0..30]]; // G. C. Greubel, Sep 10 2018
CROSSREFS
Sequence in context: A290439 A018259 A018480 * A072205 A026531 A302916
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)