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A096913 Numbers n such that (largest digit of n)^(smallest digit of n) + n is a square. 0
0, 13, 72, 80, 91, 120, 137, 163, 188, 251, 275, 281, 317, 321, 360, 388, 391, 440, 495, 527, 627, 840, 891, 960, 1023, 1088, 1148, 1151, 1288, 1363, 1437, 1520, 1591, 1674, 1680, 1757, 1841, 1927, 2024, 2113, 2208, 2303, 2365, 2400, 2464, 2491, 2565, 2600 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Conjecture: 0 and 3844 are the only squares in this sequence.

EXAMPLE

388 is in the sequence because 8^3 + 388 = 900 = 30^2.

CROSSREFS

Cf. A054054, A054055.

Sequence in context: A141989 A159512 A104132 * A026916 A106173 A094943

Adjacent sequences:  A096910 A096911 A096912 * A096914 A096915 A096916

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Aug 17 2004

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.