login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A374724
Quartet paradiddle Thue-Morse, with axiom {1} and morphism 1->{1,2,3,4,1,1}, 2->{2,1,4,3,2,2}, 3->{3,4,1,2,3,3}, 4->{4,3,2,1,4,4}.
1
1, 2, 3, 4, 1, 1, 2, 1, 4, 3, 2, 2, 3, 4, 1, 2, 3, 3, 4, 3, 2, 1, 4, 4, 1, 2, 3, 4, 1, 1, 1, 2, 3, 4, 1, 1, 2, 1, 4, 3, 2, 2, 1, 2, 3, 4, 1, 1, 4, 3, 2, 1, 4, 4, 3, 4, 1, 2, 3, 3, 2, 1, 4, 3, 2, 2, 2, 1, 4, 3, 2, 2, 3, 4, 1, 2, 3, 3, 4, 3, 2, 1, 4, 4
OFFSET
0,2
MATHEMATICA
SubstitutionSystem[{1 -> {1, 2, 3, 4, 1, 1}, 2 -> {2, 1, 4, 3, 2, 2}, 3 -> {3, 4, 1, 2, 3, 3}, 4 -> {4, 3, 2, 1, 4, 4}}, {1}, {3}] // Flatten
CROSSREFS
Cf. A374646.
Sequence in context: A332937 A350351 A138297 * A139458 A277543 A190594
KEYWORD
nonn,easy
AUTHOR
Robert P. P. McKone, Jul 17 2024
STATUS
approved