A015993 - OEIS

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A015993

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

2069, 2159, 2249, 2339, 2429, 2519, 2609, 2699, 2789, 2879, 2969, 3068, 3158, 3248, 3338, 3428, 3518, 3608, 3698, 3788, 3878, 3968, 4067, 4157, 4247, 4337, 4427, 4517, 4607, 4697, 4787, 4877, 4967, 5066, 5156, 5246, 5336, 5426, 5516 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`The number of iterations starts at 1, so palindromes (cf. A002113) are not excluded. This sequence coincides with the corresponding sequence excluding palindromes (A065217) for the entries shown in the database. The first divergence occurs at 10901.`
	LINKS	`Index entries for sequences related to Reverse and Add!`
	CROSSREFS	`A002113, A065217.` `Sequence in context: A204314 A204310 A168432 * A065217 A200829 A035871` `Adjacent sequences: A015990 A015991 A015992 * A015994 A015995 A015996`
	KEYWORD	`nonn,base`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified February 12 21:29 EST 2012. Contains 205433 sequences.