A175918 - OEIS

A175918

Convert n to binary. NAND each respective digit of binary n and binary A030101(n), where A030101(n) is the reversal of the order of the digits in the binary representation of n (given in decimal). a(n) is the decimal value of the result.

0, 0, 3, 0, 7, 2, 5, 0, 15, 6, 15, 6, 15, 6, 9, 0, 31, 14, 31, 14, 27, 10, 27, 10, 31, 14, 21, 4, 27, 10, 17, 0, 63, 30, 63, 30, 63, 30, 63, 30, 63, 30, 63, 30, 51, 18, 51, 18, 63, 30, 45, 12, 63, 30, 45, 12, 63, 30, 45, 12, 51, 18, 33, 0, 127, 62, 127, 62, 127, 62, 127, 62, 119, 54, 119

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

Description format taken from Leroy Quet's OR and AND gate sequences for consistency.

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..16383

MATHEMATICA

Table[f = IntegerDigits[x, 2]; f = f + Reverse[f]; FromDigits[ Table[If[f[[r]] < 2, 1, 0], {r, 1, Length[f]}], 2], {x, STARTPOINT, ENDPOINT}]

CROSSREFS

Or A175298 and And A175297 gate sequences. The rest of the equivalent sequences for other gates are adjacent.

Sequence in context: A203622 A201571 A010600 * A265205 A263210 A298095

Adjacent sequences: A175915 A175916 A175917 * A175919 A175920 A175921

KEYWORD

base,nonn,look

AUTHOR

Dylan Hamilton, Oct 15 2010

STATUS

approved