A062564 Palindromes which are the concatenation of 3 or more terms of an arithmetic sequence with nonzero difference.

22122, 44244, 51015, 61116, 66366, 71217, 81318, 88488, 91419, 132231, 147741, 153351, 161161, 174471, 195591, 201102, 243342, 264462, 285582, 312213, 354453, 375573, 396693, 402204, 423324, 465564, 486684, 510015, 513315, 534435, 576675, 597795, 603306

Offset

1,1

Links

Table of n, a(n) for n=1..33.

Example

147741 is a palindrome and 147,74,1 is an arithmetic sequence.
Leading 0s are allowed, 20,11,(0)2 with difference 9 is a member of this sequence. - Sean A. Irvine, Apr 03 2023

Crossrefs

Sequence in context: A224574 A232861 A250672 * A043590 A043815 A157622

Adjacent sequences: A062561 A062562 A062563 * A062565 A062566 A062567

Keyword

base,nonn

Author

Erich Friedman, Jul 03 2001

Extensions

Missing 510015 inserted by Sean A. Irvine, Apr 03 2023

Status

approved