A055956 n + reversal of base 8 digits of n (written in base 10).

0, 2, 4, 6, 8, 10, 12, 14, 9, 18, 27, 36, 45, 54, 63, 72, 18, 27, 36, 45, 54, 63, 72, 81, 27, 36, 45, 54, 63, 72, 81, 90, 36, 45, 54, 63, 72, 81, 90, 99, 45, 54, 63, 72, 81, 90, 99, 108, 54, 63, 72, 81, 90, 99, 108, 117, 63, 72, 81, 90, 99, 108, 117, 126, 65, 130, 195, 260

Offset

0,2

Comments

If n has an even number of digits in base 8 then a(n) is a multiple of 9.

Links

Seiichi Manyama, Table of n, a(n) for n = 0..10000

Formula

a(n) = n + A030107(n).

Mathematica

Table[n + IntegerReverse[n, 8], {n, 0, 100}] (* Paolo Xausa, Aug 08 2024 *)

Crossrefs

Cf. A030107, A056964.

Sequence in context: A376603 A274611 A319808 * A161207 A280877 A289509

Adjacent sequences: A055953 A055954 A055955 * A055957 A055958 A055959

Keyword

base,nonn

Author

Henry Bottomley, Jul 18 2000

Status

approved