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A263609 Base 4 numbers whose square is a palindrome in base 4. 0

%I

%S 0,1,11,101,111,1001,1013,1103,10001,10101,10121,10331,100001,100133,

%T 1000001,1001001,1001201,1010301,1100211,1100323,1101211,10000001,

%U 10001333,10013201,10031113,100000001,100010001,100012001,100103001,100301113,100332101,101002101,103231203,110002011

%N Base 4 numbers whose square is a palindrome in base 4.

%H G. J. Simmons, <a href="/A002778/a002778.pdf">On palindromic squares of non-palindromic numbers</a>, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy]

%Y Cf. A002778, A029986, A263610, A029987.

%K nonn,base

%O 1,3

%A _N. J. A. Sloane_, Oct 22 2015

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Last modified October 19 03:34 EDT 2019. Contains 328211 sequences. (Running on oeis4.)