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Search: id:A136884
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A136884 Numbers n such that n and the square of n use only the digits 0, 2, 3, 4 and 7. +0
1
0, 2, 20, 200, 2000, 20000, 200000, 2000000, 4740332, 20000000, 27204302, 47403320, 200000000, 272043020, 474033200, 2000000000, 2702734302, 2720430200, 4477474032, 4740332000, 20000000000, 27027343020, 27204302000, 44774740320, 47227474032, 47403320000, 200000000000, 270273430200, 272043020000, 447747403200 (list; graph; listen)
OFFSET

1,2

COMMENT

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..55

J. Wellons, Tables of Shared Digits

EXAMPLE

47333227304302^2 = 2240434407040720377707707204

CROSSREFS

Adjacent sequences: A136881 A136882 A136883 this_sequence A136885 A136886 A136887

Sequence in context: A001253 A085586 A136902 this_sequence A093136 A037519 A037722

KEYWORD

base,nonn

AUTHOR

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.


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