id:A067114 - OEIS Search Results

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Let N = 24681012141618202224262830..., the concatenation of the even numbers. Then a(n) = sum of first n digits of N.

+0
2

2, 6, 12, 20, 21, 21, 22, 24, 25, 29, 30, 36, 37, 45, 47, 47, 49, 51, 53, 57, 59, 65, 67, 75, 78, 78, 81, 83, 86, 90, 93, 99, 102, 110, 114, 114, 118, 120, 124, 128, 132, 138, 142, 150, 155, 155, 160, 162, 167, 171, 176, 182, 187, 195, 201, 201, 207, 209, 215, 219 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(5) = 2+4+6+8+1 = 21.`
	CROSSREFS	`Cf. A067112, A067113.` `Sequence in context: A130492 A139082 A061078 this_sequence A102711 A045619 A028690` `Adjacent sequences: A067111 A067112 A067113 this_sequence A067115 A067116 A067117`
	KEYWORD	`easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 08 2002`
	EXTENSIONS	`More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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