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Search: id:A061231
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A061231 n - the reversal of n is a nonzero square. +0
2
10, 21, 32, 40, 43, 51, 54, 62, 65, 73, 76, 84, 87, 90, 95, 98, 1030, 1100, 1140, 1210, 1250, 1320, 1360, 1430, 1470, 1540, 1580, 1650, 1690, 1760, 1870, 1980, 2031, 2101, 2141, 2211, 2251, 2321, 2361, 2431, 2471, 2541, 2581, 2651, 2691, 2761, 2871, 2981 (list; graph; listen)
OFFSET

0,1

EXAMPLE

a(4) = 40 as 40 - 4 = 36 = 6^2; a(9)= 65 as 65- 56 = 9 = 3^2.

CROSSREFS

Cf. A061230.

Sequence in context: A041194 A042871 A041192 this_sequence A104341 A098954 A061470

Adjacent sequences: A061228 A061229 A061230 this_sequence A061232 A061233 A061234

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 23 2001

EXTENSIONS

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), May 28 2001

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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