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A048706 XOR-conjugate rules of 1-D cellular automata rules given in A048705. 2
150, 90, 2523490710, 199931532107794273605284333428918544790, 226413559313153607979257138616992421290 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

In hexadecimal this sequence looks like: 96,5A,96696996,96696996699696696996966996696996,

AA55AA55AA55AA5555AA55AA55AA55AA,

9966669966999966996666996699996666999966996666996699996699666699669999 6699666699669999669966669999666699669999669966669966999966, ...

LINKS

Table of n, a(n) for n=1..5.

Index entries for sequences related to cellular automata

MAPLE

# Other procedures as with A048705

rule90x150combination_xored := proc(n) local r, d, p, q, j, s, k, pattern;

p := extended_A020652[ n ]; # the Rule 150 component [ 0, 1, op(A020652) ]

q := extended_A020653[ n ]; # the Rule 90 component [ 1, 0, op(A020653) ]

r := p+q; # radius of CA.

d := (2*r)+1; # diameter of CA, including the cell itself.

s := 0; for k from 0 to (2^d)-1 do if(bit_i(k, r) <> bit_i(rule90(rule150(k, p), q), (2*r))) then s := s + 2^k; fi; od; RETURN(s); end;

CROSSREFS

Sequence in context: A188873 A215689 A104262 * A054729 A116185 A008889

Adjacent sequences:  A048703 A048704 A048705 * A048707 A048708 A048709

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 09 1999

STATUS

approved

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Last modified May 12 03:08 EDT 2021. Contains 343810 sequences. (Running on oeis4.)