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A136844 Numbers k such that k and k^2 use only the digits 0, 1, 3, 5 and 7. 1
0, 1, 10, 100, 1000, 10000, 100000, 130501, 550501, 1000000, 1305010, 5505010, 7553501, 10000000, 10550501, 13050100, 55050100, 55055001, 57533501, 57733501, 73055001, 75535010, 100000000, 105505010, 130501000, 131531501, 550501000, 550550010, 575335010, 575355001, 577335010, 730550010, 755350100, 757033751 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..380

J. Wellons, Tables of Shared Digits

EXAMPLE

130503170503751^2 = 17031077511531105035105070001.

CROSSREFS

Sequence in context: A136854 A029778 A029795 * A136842 A136872 A119084

Adjacent sequences:  A136841 A136842 A136843 * A136845 A136846 A136847

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 16 07:19 EDT 2021. Contains 347469 sequences. (Running on oeis4.)