id:A015990 - OEIS Search Results

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Nine iterations of Reverse and Add are needed to reach a palindrome.

+0
2

1397, 1487, 1577, 1667, 1757, 1847, 1937, 2396, 2486, 2576, 2666, 2756, 2846, 2936, 2999, 3395, 3485, 3575, 3665, 3755, 3845, 3935, 3998, 4394, 4484, 4574, 4664, 4754, 4844, 4934, 4997, 5393, 5483, 5573, 5663, 5753, 5843, 5933, 5996 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`The number of iterations starts at 1, so palindromes (cf. A002113) are not excluded. The corresponding sequence excluding palindromes is A065214.`
	LINKS	`Index entries for sequences related to Reverse and Add!`
	CROSSREFS	`Cf. A002113. Different from A065214.` `Sequence in context: A069366 A163054 A110844 this_sequence A065214 A022058 A107522` `Adjacent sequences: A015987 A015988 A015989 this_sequence A015991 A015992 A015993`
	KEYWORD	`nonn,base`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research