id:A088180 - OEIS Search Results

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a(n) is the number of numbers m < 10^n for which there is at least one k such that k + reverse(k) = m.

+0
1

1, 5, 19, 112, 368, 2161, 7033, 41140, 133730, 781884, 2541197 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Number of terms of A067030 below 10^n.`
	LINKS	`Index entries for sequences related to Reverse and Add!`
	EXAMPLE	`a(1) = 5 since 0, 2, 4, 6, 8 are the terms of A067030 which are smaller than 10^1.`
	CROSSREFS	`Cf. A067030.` `Sequence in context: A005165 A071828 A158615 this_sequence A027269 A082790 A145935` `Adjacent sequences: A088177 A088178 A088179 this_sequence A088181 A088182 A088183`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 22 2003`
	EXTENSIONS	`a(9)-a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Sep 22 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.