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A029733 Numbers n such that n^2 is palindromic in base 16. 1
0, 1, 2, 3, 17, 34, 257, 273, 289, 305, 319, 514, 530, 546, 773, 1377, 4097, 4369, 4641, 8194, 8254, 8466, 8734, 9046, 51629, 65537, 65793, 66049, 66305, 69649, 69905, 70161, 70417, 73505, 73761, 74017, 74273, 76879, 92327, 131074 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..40.

P. De Geest, Palindromic numbers beyond base 10

MATHEMATICA

n2palQ[n_]:=Module[{id=IntegerDigits[n^2, 16]}, id==Reverse[id]]; Select[ Range[ 0, 150000], n2palQ] (* Harvey P. Dale, Mar 31 2018 *)

CROSSREFS

Sequence in context: A193051 A217688 A263570 * A153686 A042137 A067976

Adjacent sequences:  A029730 A029731 A029732 * A029734 A029735 A029736

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified August 14 21:53 EDT 2018. Contains 313756 sequences. (Running on oeis4.)