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A237347 First differences of A078633. 4
3, 3, 2, 3, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(n) = A078633(n+1) - A078633(n);
2 <= a(n) <= 3;
a(A049068(n)) = 2; a(A002620(n)) = 3;
A237347(n) = abs(A167752(n)) + 2.
LINKS
PROG
(Haskell)
a237347 n = a237347_list !! (n-1)
a237347_list = zipWith (-) (tail a078633_list) a078633_list
CROSSREFS
Sequence in context: A274709 A260896 A365711 * A075017 A060586 A076662
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 18 2014
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)