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Search: id:A134439
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| A134439 |
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Numbers n with property that for each digit d from 1 to 9, we can also see the decimal expansion of d^2 as a substring of n. |
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+0
7
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| 2536497816, 2536498167, 2536781649, 2536816497, 2573649816, 2573681649, 2578163649, 2578164936, 2581636497, 2581649367, 2581649736, 2581673649, 3625781649, 3625816497, 3649257816, 3649258167, 3649725816, 3649781625
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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David Applegate, Table of n, a(n) for n = 1..300
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EXAMPLE
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In the first number, for 2 we can see 4, for 5 we can see 25, for 3 we can see 9, for 6 we can see 36, for 4 we can see 16, for 9 we can see 81, for 8 we can see 64, for 1 we can see 1, and for 7 we can see 49.
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PROGRAM
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For C++ program see the Applegate link in A135463.
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CROSSREFS
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Cf. A134692, A134698, A134962.
Adjacent sequences: A134436 A134437 A134438 this_sequence A134440 A134441 A134442
Sequence in context: A017661 A131013 A120290 this_sequence A028521 A064163 A022230
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KEYWORD
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nonn,base
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Feb 02 2008
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EXTENSIONS
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Corrected by David Applegate, Feb 09 2008
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