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A068536
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Numbers n such that n^2 + (reversal of n)^2 is a perfect square. Ignore leading 0's.
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0
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88209, 90288, 125928, 196020, 368280, 829521, 1978020, 2328480, 5513508, 8053155, 19798020, 86531940, 197998020, 554344560, 556326540, 1960396020, 1979998020, 5543944560, 5925169800, 8820988209, 9028890288, 12592925928, 14011538112, 19602196020, 19799998020
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| 88209^2 + 90288^2 = 126225^2, so 88209 belongs to the sequence.
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MATHEMATICA
| Do[If[IntegerQ[Sqrt[n^2 + FromDigits[Reverse[IntegerDigits[n]]]^2]], Print[n]], {n, 1, 10^6}]
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CROSSREFS
| Sequence in context: A183658 A204508 A190382 * A183728 A022201 A031857
Adjacent sequences: A068533 A068534 A068535 * A068537 A068538 A068539
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KEYWORD
| base,nonn
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AUTHOR
| Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Mar 22 2002
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EXTENSIONS
| a(7)-a(15) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Apr 09 2010
a(16)-a(25) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 15 2011
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