A004426 - OEIS

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A004426

Arithmetic mean of digits of n (rounded down).

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 0, 0, 1, 1, 1, 2, 2, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`A004427(n)<=a(n); a(A061383(n))=A004427(A061383(n)); a(A000040(n))=A074461(n). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 27 2010]`
	FORMULA	`a(n) = floor(A007953(n)/A055642(n)). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 27 2010]`
	CROSSREFS	`Sequence in context: A031298 A004428 A004429 * A004430 A134778 A118943` `Adjacent sequences: A004423 A004424 A004425 * A004427 A004428 A004429`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 21:05 EST 2012. Contains 205855 sequences.