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 A115761 Numbers n such that the digits of n^2, reversed, include digits of n as substring. 6
 1, 5, 6, 27, 74, 963, 5723, 6142, 6524, 9867, 53152, 65766, 69714, 351732, 409761, 497674, 624279, 664902, 697140, 781101, 2733747, 3879405, 4897317, 5031485, 6317056, 6971400, 8403702, 9324454, 16013465, 21646858, 34679962, 36909226, 38794051, 40781862, 41065012 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Giovanni Resta, Table of n, a(n) for n = 1..97 (terms < 4*10^12) EXAMPLE 963^2 = 927(369). MATHEMATICA fQ[n_] := StringPosition[ IntegerString[n^2], StringReverse@ IntegerString@n] != {}; k = 1; lst = {}; While[k < 38794050, If[ fQ@k, AppendTo[lst, k]]; k++ ]; lst (* Robert G. Wilson v, Jul 28 2010 *) Select[Range[37*10^6], SequenceCount[Reverse[IntegerDigits[#^2]], IntegerDigits[ #]]>0&] (* The program uses the SequenceCount function from Mathematica version 10 *) (* Harvey P. Dale, May 02 2016 *) CROSSREFS Contains A269588 as a subsequence. Cf. A115762, A115763, A115764, A115738, A179803. Sequence in context: A303731 A298175 A298144 * A320047 A249221 A127040 Adjacent sequences:  A115758 A115759 A115760 * A115762 A115763 A115764 KEYWORD nonn,base AUTHOR Giovanni Resta, Jan 30 2006 EXTENSIONS More terms from Robert G. Wilson v, Jul 28 2010 Terms a(33) and beyond from Giovanni Resta, May 04 2020 STATUS approved

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Last modified August 4 02:10 EDT 2020. Contains 336201 sequences. (Running on oeis4.)