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 A260723 First differences of Ludic numbers: a(n) = A003309(n+1) - A003309(n). 6
 1, 1, 2, 2, 4, 2, 4, 6, 2, 4, 8, 4, 2, 4, 6, 8, 6, 4, 6, 6, 6, 2, 6, 10, 8, 4, 2, 6, 4, 12, 6, 8, 4, 12, 2, 4, 2, 12, 16, 2, 10, 2, 4, 6, 2, 4, 8, 10, 8, 12, 6, 4, 14, 6, 6, 16, 2, 6, 4, 12, 6, 2, 16, 6, 6, 8, 10, 8, 4, 2, 10, 2, 4, 8, 18, 4, 8, 6, 12, 4, 6, 6, 8, 10, 8, 6, 12, 12, 12, 4, 12, 2, 12, 6, 4, 8, 18, 4, 6, 6, 8, 6, 12, 6, 6, 6, 4, 20, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A003309(n+1) - A003309(n). PROG (Scheme) (define (A260723 n) (- (A003309 (+ n 1)) (A003309 n))) CROSSREFS Cf. A003309. Cf. also A001223, A031883, A260722. Sequence in context: A205138 A233763 A109526 * A059214 A091820 A171922 Adjacent sequences:  A260720 A260721 A260722 * A260724 A260725 A260726 KEYWORD nonn AUTHOR Antti Karttunen, Aug 06 2015 STATUS approved

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Last modified October 20 04:37 EDT 2019. Contains 328247 sequences. (Running on oeis4.)