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A164841 Numbers n with property that average digit of n^2 is s>8. 1
3, 94863, 987917, 3162083, 29983327, 99477133, 99483667, 994927133, 2428989417, 2754991833, 2983284917, 2999833327, 3157196367, 9380293167, 9486778167, 28105157886, 31144643167, 31304790167, 31459487917, 31464263856, 94286790167, 99497231067, 244272388937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

There are just 13 terms <32*10^8. The only n with integer s>8 is n=3.

Average digits of n^2 are:

9, 8.1, 8.08333, 8.15385, 8.06667, 8.125, 8.125, 8.22222, 8.05263, 8.05263, 8.10526, 8.10526, 8.05263.

LINKS

Table of n, a(n) for n=1..23.

CROSSREFS

Cf. A164770 (s=2), A164771 (s=1), A164772 (s=8), A164773 (s=7), A164774 (s=5). A164776 (s=4). A164779 (s=6), A164782(s=3), A164842(s<1).

Sequence in context: A213000 A151594 A119119 * A171366 A086785 A159577

Adjacent sequences:  A164838 A164839 A164840 * A164842 A164843 A164844

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Aug 28 2009

EXTENSIONS

a(14)-a(23) from Lars Blomberg, Apr 29 2013

STATUS

approved

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Last modified March 28 21:25 EDT 2017. Contains 284246 sequences.