A070743 n sets a new record for the index of the (presumably) last palindrome in the 'Reverse and Add' trajectory of n.

1, 3, 5, 122, 160, 190, 739, 10000, 10058, 10151, 1003346, 1304392, 1702190

Offset: 1

Author

Klaus Brockhaus, May 03 2002

Keywords

• base
• more
• nonn

Comments

A070744 gives the corresponding records.

Examples

			678736545637876 is the 36th term and (presumably) the last palindrome in the trajectory of 5; for k < 5 the last palindrome has an index < 36 in the trajectory of k (cf. A070742), so 5 is in the sequence.
		

Links

• Index entries for sequences related to Reverse and Add!

Crossrefs

Cf. A065001, A065198, A070742, A070744.

Extensions

Offset corrected by Sean A. Irvine, Jun 11 2024