A178359 - OEIS

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A178359

Rounded up arithmetic mean of digits of n appended to n, cf. A004427.

5

0, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 111, 122, 132, 143, 153, 164, 174, 185, 195, 201, 212, 222, 233, 243, 254, 264, 275, 285, 296, 302, 312, 323, 333, 344, 354, 365, 375, 386, 396, 402, 413, 423, 434, 444, 455, 465, 476, 486, 497, 503, 513, 524, 534

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

A010879(a(n)) = A004427(a(n)) = A004427(n);

a(A178358(n)) = A178358(a(n));

subsequence of A178403.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

FORMULA

a(n) = A008592(n) + A004427(n).

EXAMPLE

For n=8379: A004427(n) = ceiling((8+3+7+9)/4) = 7; so a(8379) = 10*8379 + 7 = 83797.

MATHEMATICA

amd[n_]:=Module[{m=Ceiling[Mean[IntegerDigits[n]]]}, n*10^IntegerLength[ m]+ m]; Array[amd, 60, 0] (* Harvey P. Dale, Aug 12 2015 *)

CROSSREFS

Sequence in context: A083967 A343444 A193772 * A108203 A308104 A108773

Adjacent sequences: A178356 A178357 A178358 * A178360 A178361 A178362

KEYWORD

base,nonn

AUTHOR

Reinhard Zumkeller, May 27 2010

STATUS

approved