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A053906 Numbers k such that k^2 contains only digits {1,6,7}. 1
1, 4, 26, 131, 276, 881, 3431, 81346, 81619, 129119, 132954, 1292931424 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A053907.
Sequence in context: A363648 A184263 A058408 * A359962 A316539 A197964
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
STATUS
approved

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Last modified April 15 02:01 EDT 2024. Contains 371667 sequences. (Running on oeis4.)