This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A164818 Integer average digit of squares. 2
 1, 4, 9, 5, 3, 3, 3, 3, 6, 6, 3, 4, 4, 4, 4, 4, 4, 5, 5, 2, 2, 5, 5, 5, 5, 2, 5, 2, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 5, 8, 3, 3, 3, 3, 3, 3, 3, 3, 6, 3, 3, 3, 6, 3, 6, 3, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 6, 6, 3, 6, 3, 3, 3, 3, 3, 3, 3, 6, 3, 3, 3, 3, 3, 6, 6, 6, 6, 3, 3, 3, 6, 3, 3, 3, 3, 6, 6, 3, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n)= average digit of squares of A164817(n). The only n for which a(n) = 9 is 3.  a(44) = a(26165) = 8. - Robert Israel, Feb 24 2016 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE f:= proc(n) local L, r; L:= convert(n^2, base, 10); r:= convert(L, `+`)/nops(L); if r::integer then r else NULL fi end proc: map(f, [\$1..1000]); # Robert Israel, Feb 24 2016 CROSSREFS Cf. A004159, A164817. Sequence in context: A121305 A200396 A011513 * A065796 A070434 A011003 Adjacent sequences:  A164815 A164816 A164817 * A164819 A164820 A164821 KEYWORD base,nonn AUTHOR Zak Seidov, Aug 27 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 22 00:52 EDT 2019. Contains 328315 sequences. (Running on oeis4.)