A164772 - OEIS

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A164772

Numbers n with property that average digit of n^2 is s=8.

313, 298327, 9893887, 197483417, 282753937, 314623583, 315432874, 706399164, 773303937, 894303633, 947047833, 948675387, 989938887, 994987437, 998398167, 8882454614, 8888194417, 8943142063, 9374913167, 9416989417, 9476286187, 9949260676, 9949823114

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OFFSET

1,1

LINKS

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

EXAMPLE

a(1)=313 because 313^2=97969 and (9+7+9+6+9)/5=8.

CROSSREFS

Subsequence of A164817.

Average of digits of n^2 = s: A164771 (s=1), A164770 (s=2), A164782 (s=3), A164776 (s=4), A164774 (s=5), A164778 (s=6), A164773 (s=7), A164772 (s=8).

Sequence in context: A255388 A261818 A083997 * A068650 A106156 A286289

Adjacent sequences: A164769 A164770 A164771 * A164773 A164774 A164775

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Aug 26 2009

EXTENSIONS

More terms from David Radcliffe Aug 26 2009

a(16)-a(23) from Lars Blomberg, Apr 29 2013

STATUS

approved