A043022 Base-8 palindromes that start with 2.

2, 18, 130, 138, 146, 154, 162, 170, 178, 186, 1026, 1098, 1170, 1242, 1314, 1386, 1458, 1530, 8194, 8258, 8322, 8386, 8450, 8514, 8578, 8642, 8714, 8778, 8842, 8906, 8970, 9034, 9098, 9162, 9234, 9298, 9362, 9426, 9490

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Formula

a(n) = 8*A043066(n) - 6.

Mathematica

Select[Range[10000], IntegerDigits[#, 8]==Reverse[IntegerDigits[#, 8]]&&IntegerDigits[#, 8][[1]]==2&] (* Harvey P. Dale, Dec 17 2023 *)

Crossrefs

Cf. A007094, A043066.

Sequence in context: A367553 A363662 A064447 * A057971 A360132 A073512

Adjacent sequences: A043019 A043020 A043021 * A043023 A043024 A043025

Keyword

nonn,base

Author

Clark Kimberling

Status

approved