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A068854 a(1) = 1; a(n) is the smallest square > a(n) which differs from it at every digit. 3
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 225, 361, 400, 529, 676, 729, 841, 900, 1156, 2025, 3136, 4225, 5041, 6400, 7056, 8100, 9025, 10201, 21025, 30276, 42025, 50176, 61009, 70225, 81796, 90000, 101124, 210681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..38.

EXAMPLE

225 is a member and the next few squares are 256,289,324, 361, 400, 441... 361 is the smallest one which differs from 223 in all corresponding digit positions.

CROSSREFS

Cf. A068853.

Sequence in context: A077487 A179334 A068864 * A068867 A111704 A052041

Adjacent sequences:  A068851 A068852 A068853 * A068855 A068856 A068857

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Mar 12 2002

STATUS

approved

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Last modified August 26 00:35 EDT 2019. Contains 326324 sequences. (Running on oeis4.)