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A248335
A recursive sequence generated by an L-system defined in comments.
1
1, 23, 3445, 45565667, 5667677867787889, 6778788978898990788989908990901, 7889899089909018990901901112899090190111290111211223, 89909019011129011121122390111211223112232323349011121122311223232334112232323342323343445
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OFFSET
1,2
COMMENTS
The L-system producing the sequence is defined as follows:
Alphabet: 1 2 3 4 5 6 7 8 9 0
Initiator: 1
Production rules: (1 --> 23), (2 --> 34), (3 --> 45), (4 --> 56), (5 --> 67), (6 --> 78), (7 --> 89), (8 --> 90), (9 --> 1), (0 --> 12).
LINKS
Table of n, a(n) for n=1..8.
Felix Fröhlich,
C++ program for this sequence
Wikipedia,
L-system
CROSSREFS
Cf.
A057985
,
A073058
,
A103684
.
Sequence in context:
A136363
A340330
A290786
*
A222031
A233143
A134798
Adjacent sequences:
A248332
A248333
A248334
*
A248336
A248337
A248338
KEYWORD
nonn
,
base
AUTHOR
Felix Fröhlich
, Oct 26 2014
STATUS
approved
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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)