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A086014
Number of 6's in decimal expansion of n^2.
11
0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 2, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1
OFFSET
0,27
LINKS
MATHEMATICA
Table[DigitCount[n^2, 10, 6], {n, 0, 110}] (* Harvey P. Dale, May 24 2014 *)
PROG
(PARI) A086014(n)=#select(d->d==6, digits(n^2)) \\ M. F. Hasler, Feb 21 2016
CROSSREFS
Cf. 0's A086008, 1's A086009, 2's A086010, 3's A086011, 4's A086012, 5's A086013, 7's A086015, 8's A086016, 9's A086017.
Cf. A269246 for the n^3 analog.
Sequence in context: A353377 A294266 A127475 * A025437 A066032 A035187
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 07 2003
STATUS
approved