A164842 Numbers n with property that average digit of n^2 is less than 1.

101, 1001, 10001, 50001, 100001, 100002, 100005, 100011, 100101, 100549, 101001, 110001, 114499, 200001, 316261, 375501, 500001, 1000001, 1000002, 1000005, 1000011, 1000101, 1001001, 1010001, 1100001, 2000001, 5000001, 5000002

Offset

1,1

Comments

No trailing zeros in n.

Other terms < 10^8:

5000011,5000101,5001001,5010001,5100001,5500001,6000001,10000001,10000002,

10000005,10000006,10000011,10000015,10000051,10000055,10000101,10000105,

10000501,10001001,10001005,10005001,10010001,10010005,10050001,10100001,

10100005,10500001,11000001,11000005,15000001,17320511,20000001,20000005,

44989999,48989999,50000001,50000002,50000011,50000101,50001001,50010001,

50100001,51000001,55000001,60000001.

Links

Table of n, a(n) for n=1..28.

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), A164841(s<8).

Sequence in context: A267002 A242138 A171764 * A082276 A069597 A139535

Adjacent sequences: A164839 A164840 A164841 * A164843 A164844 A164845

Keyword

base,nonn,less

Author

Zak Seidov, Aug 28 2009

Extensions

Edited by Charles R Greathouse IV, Mar 23 2010

Status

approved