A364836 a(n) is the least positive integer that can be expressed as the sum of two distinct nonzero decimal palindromes in exactly n ways.

1, 3, 5, 7, 9, 110, 353, 363, 373, 383, 393, 524, 474, 484, 565, 494, 575, 615, 585, 837, 595, 716, 686, 1342, 777, 696, 1332, 787, 878, 918, 797, 888, 979, 32212, 12892, 898, 989, 1009, 11220, 54544, 999, 30902, 11110, 43423, 42623, 28982, 1100, 11000, 35753, 36663

Offset

0,2

Links

Table of n, a(n) for n=0..49.

Example

For n = 5: 110 = 9 + 101 = 11 + 99 = 22 + 88 = 33 + 77 = 44 + 66.

Crossrefs

Cf. A002113, A115336, A341155.

Sequence in context: A132286 A070788 A030148 * A068061 A332970 A316492

Adjacent sequences: A364833 A364834 A364835 * A364837 A364838 A364839

Keyword

nonn,base

Author

Ilya Gutkovskiy, Aug 28 2023

Extensions

a(33) and beyond from Michael S. Branicky, Aug 31 2023

Status

approved