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A218784 Positions where the parity of A179016 changes, i.e., where the runs of A213729 begin. 4
0, 1, 3, 4, 5, 6, 8, 9, 11, 12, 13, 14, 16, 18, 22, 23, 25, 27, 30, 31, 33, 34, 35, 38, 39, 40, 42, 44, 47, 48, 50, 51, 52, 56, 58, 59, 65, 67, 69, 70, 72, 74, 77, 78, 80, 81, 82, 86, 88, 89, 95, 97, 98, 99, 101, 102, 108, 111, 114, 119, 121, 122, 123, 124, 126, 128 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(0)=0 and in the later terms i occurs whenever A213729(i) differs from A213729(i-1).
PROG
(Scheme with Antti Karttunen's intseq-library): (define A218784 (MATCHING-POS 0 0 (lambda (i) (or (< i 1) (not (= (A213729 i) (A213729 (-1+ i))))))))
CROSSREFS
Sequence in context: A353300 A219636 A047428 * A039066 A304800 A197911
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 10 2012
STATUS
approved

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Last modified July 22 21:11 EDT 2024. Contains 374544 sequences. (Running on oeis4.)