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A058418
Squares composed of digits {0,1,6}, not ending with zero.
3
1, 16, 106110601, 110166016, 116661601, 6661661161, 1006011006001, 1016066016001, 10006001100060001, 10016006600160001, 106601106600066001, 100006000110000600001, 100016000660001600001, 610001061061016601601, 1601016161610101600016, 1000006000011000006000001
OFFSET
1,2
COMMENTS
Includes all numbers of the form (100^k + 3*10^k + 1)^2 for k >= 2, of the form (100^k + 8*10^k + 1)^2 for k >= 2, and of the form (4*100^k + 127*10^k + 4)^2 for k >= 5. - Andrew Howroyd, Oct 18 2024
LINKS
FORMULA
a(n) = A058417(n)^2. - Andrew Howroyd, Oct 18 2024
CROSSREFS
Cf. A058417.
Subsequence of A000290.
Sequence in context: A356084 A369821 A013878 * A372150 A291908 A059933
KEYWORD
nonn,base,changed
AUTHOR
Patrick De Geest, Nov 15 2000
EXTENSIONS
a(15) onwards added using A058417 by Andrew Howroyd, Oct 18 2024
STATUS
approved