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A308248 Squares of automorphic numbers in base 6 (cf.  A237583). 0

%I

%S 0,1,9,16,81,784,6561,18496,1478656,43046721,281165824,893352321,

%T 5859137025,41368305664,405026597889,1088266240000,15965210931201,

%U 36991307874304,583272781383681,1318789102698496

%N Squares of automorphic numbers in base 6 (cf. A237583).

%F a(n) = A237583(n)^2. - _Michel Marcus_, May 17 2019

%e 784 = 3344_6 and sqrt(3344_6) = 44_6. Hence 784 is in the sequence.

%o (Sage) [(n * n) for n in (0..1000000) if (n * n).str(base = 6).endswith(n.str(base = 6))]

%Y Cf. A237583.

%K nonn,base

%O 1,3

%A _Jeremias M. Gomes_, May 17 2019

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Last modified November 27 07:28 EST 2021. Contains 349365 sequences. (Running on oeis4.)