id:A040997 - OEIS Search Results

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Absolute value between digits of n (version 3).

+0
8

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

	OFFSET	`1,2`
	FORMULA	`If decimal expansion of n is x1 x2 ... xk then a(n) = \|x1-x2-x3- ... -xk\|.`
	EXAMPLE	`a(371) = \|3-7-1\| = 5.`
	CROSSREFS	`Cf. A037904, A040114, A040115, A040163.` `Sequence in context: A001073 A076313 A055017 this_sequence A075877 A133500 A052423` `Adjacent sequences: A040994 A040995 A040996 this_sequence A040998 A040999 A041000`
	KEYWORD	`nonn,base`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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