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A069600 Smallest square containing all the digits of numbers from 1 to n. For a(10) and higher, all duplicated digits must be in the term (for example a(10) has two 1's). 0
1, 121, 3721, 13924, 135424, 1236544, 13527684, 13527684, 139854276, 11738205649, 10112819764356, 1011123678945241, 10118426359171321 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

a(5) = 335241 = 579^2 contains digits 1,2,3,4 and 5.

CROSSREFS

Cf. A069599.

Sequence in context: A189652 A206629 A014758 * A018849 A011814 A144766

Adjacent sequences:  A069597 A069598 A069599 * A069601 A069602 A069603

KEYWORD

base,more,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 25 2002

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jan 20 2003

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Last modified February 14 22:03 EST 2012. Contains 205668 sequences.