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Search: id:A070254
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| A070254 |
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Perfect squares one more than a palindrome. |
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+0
2
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| 1, 4, 9, 100, 324, 576, 4225, 5776, 10000, 36864, 42025, 1000000, 3055504, 3640464, 5597956, 8803089, 32855824, 100000000, 360696064, 422919225, 10000000000, 30485858404, 30536863504, 32154945124, 59080108096, 86310801369
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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All even powers of 10 are members of both A070254 and A027720.
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MATHEMATICA
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Do[ If[a = IntegerDigits[n^2 - 1]; a == Reverse[a], Print[n^2]], {n, 1, 10^6}]
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CROSSREFS
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Cf. A027719, A027720, A070253.
Sequence in context: A061459 A061869 A061270 this_sequence A061090 A061272 A117680
Adjacent sequences: A070251 A070252 A070253 this_sequence A070255 A070256 A070257
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 06 2002
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EXTENSIONS
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Edited by Jason Earls (zevi_35711(AT)yahoo.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), May 08 2002
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