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Search: id:A061458
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| A061458 |
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Cubes whose digit reversal is also a cube. |
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+0
1
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| 0, 1, 8, 343, 1000, 1331, 8000, 343000, 1000000, 1030301, 1331000, 1367631, 8000000, 343000000, 1000000000, 1003003001, 1030301000, 1033364331, 1331000000, 1334633301, 1367631000, 8000000000, 10662526601, 343000000000
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,63
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EXAMPLE
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1000 and 0001 (= 1) are both cubes.
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PROGRAM
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(PARI) { n=-1; for (m=0, 220100, x=m^3; r=0; while (x>0, d=x-10*(x\10); x\=10; r=r*10 + d); if (r<2, t=0, f=factor(r)~; for(i=1, length(f), if (t=f[2, i]%3, break))); if (t==0, write("b061458.txt", n++, " ", m^3)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 23 2009]
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CROSSREFS
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Sequence in context: A041769 A071306 A117082 this_sequence A135067 A002781 A016875
Adjacent sequences: A061455 A061456 A061457 this_sequence A061459 A061460 A061461
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KEYWORD
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nonn,base
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 03 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), May 17 2001
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