

A056962


Base 16 reversal of n (written in base 10).


3



0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 1, 17, 33, 49, 65, 81, 97, 113, 129, 145, 161, 177, 193, 209, 225, 241, 2, 18, 34, 50, 66, 82, 98, 114, 130, 146, 162, 178, 194, 210, 226, 242, 3, 19, 35, 51, 67, 83, 99, 115, 131, 147, 163, 179, 195, 211, 227, 243, 4
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OFFSET

0,3


LINKS

Table of n, a(n) for n=0..64.


EXAMPLE

a(17) = 17 because 17 in hexadecimal is 11, the same as its reverse.
a(18) = 33 because 18 in hexadecimal is 12, and hexadecimal 21 is 2 * 16 + 1 = 33.
a(19) = 49 because 19 in hexadecimal is 13, and hexadecimal 31 is 3 * 16 + 1 = 49.


MATHEMATICA

Table[FromDigits[Reverse[IntegerDigits[n, 16]], 16], {n, 0, 127}] (* Alonso del Arte, Sep 30 2018 *)


PROG

(PARI) a(n) = fromdigits(Vecrev(digits(n, 16)), 16); \\ Michel Marcus, Sep 30 2018


CROSSREFS

Cf. A004086, A030101A030108, A056960A056963, A029730.
Sequence in context: A053836 A025483 A053165 * A043275 A216455 A338782
Adjacent sequences: A056959 A056960 A056961 * A056963 A056964 A056965


KEYWORD

base,nonn,easy


AUTHOR

Henry Bottomley, Jul 18 2000


STATUS

approved



