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A277441 Least number k such that k^2 can be obtained from k by inserting n internal (but not necessarily contiguous) digits. 1
0, 10, 95, 950, 9500, 89476, 894760, 8946105, 89448001, 894438005, 8944300005, 89442827780, 894427300005, 8944273000005, 89442720000005, 894427196000005, 8944271912400005, 89442719120000005, 894427191000000005, 8944271910000000005, 89442719100000000005, 894427191000000000005 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
A subsequence of A046851.
LINKS
EXAMPLE
a(2) = 95 as 95 is the least number that needs two internal digits inserted to become its square, i.e., 95 squared is 9(02)5.
CROSSREFS
Sequence in context: A163738 A190987 A233738 * A307021 A197083 A197086
KEYWORD
nonn,base
AUTHOR
Ivan N. Ianakiev, Oct 15 2016
EXTENSIONS
More terms from Paolo P. Lava, Oct 20 2016
a(13)-a(21) from Giovanni Resta, Jul 06 2019
STATUS
approved

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Last modified April 22 19:08 EDT 2024. Contains 371906 sequences. (Running on oeis4.)