A094175 Round( n / sum of digits of n ).

1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 6, 4, 3, 3, 3, 2, 2, 2, 2, 10, 7, 6, 5, 4, 4, 3, 3, 3, 3, 10, 8, 6, 6, 5, 4, 4, 4, 3, 3, 10, 8, 7, 6, 6, 5, 5, 4, 4, 4, 10, 9, 7, 7, 6, 6, 5, 5, 4, 4, 10, 9, 8, 7, 6, 6, 6, 5, 5, 5, 10, 9, 8, 7, 7, 6, 6, 6, 5, 5, 10, 9, 8, 8, 7, 7, 6, 6, 6, 5, 10, 9, 8, 8, 7, 7, 6, 6, 6, 6, 100, 51, 34, 26, 21, 18, 15, 13, 12, 11, 55, 37, 28, 23, 19, 16, 15, 13, 12, 11, 40

Offset: 1

Author

Paolo P. Lava, May 06 2004

Keywords

• easy
• nonn
• base

Examples

			a(15) = round(15/(1+5)) = round(2.5) = 3.
a(17) = round(17/(1+7)) = round(2.125) = 2.
a(62) = round(62/(6+2)) = round(7.75) = 8.
		

Links

• Dominic McCarty, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A066578.

Programs

Mathematica

Table[Floor[n/Total[IntegerDigits[n]]+1/2],{n,120}] (* Harvey P. Dale, Nov 26 2016 *)

Formula

a(n) = round(n/sumdigit(n)) where "round" is the rounded integer part of the division and "sumdigit" is the sum of the digits of the number.

Extensions

Corrected and extended by Harvey P. Dale, Nov 26 2016

Offset changed to 1 by Georg Fischer, Jun 14 2024