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 A031883 First differences of lucky numbers. 13
 2, 4, 2, 4, 2, 6, 4, 6, 2, 4, 6, 6, 2, 12, 4, 2, 4, 2, 4, 8, 6, 6, 6, 6, 4, 12, 2, 4, 2, 6, 10, 8, 4, 6, 2, 18, 4, 2, 6, 4, 6, 8, 4, 8, 4, 2, 4, 18, 2, 6, 6, 10, 2, 4, 8, 6, 4, 12, 2, 6, 4, 8, 10, 8, 4, 6, 18, 6, 2, 6, 10, 6, 6, 6, 2, 4, 18, 12, 12, 2, 6, 4, 2, 6, 16, 6, 2, 10, 6, 2, 4, 12, 6, 18, 2, 4, 8 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) = A254967(n,n-1). - Reinhard Zumkeller, Feb 11 2015 LINKS T. D. Noe, Table of n, a(n) for n=1..10000 MATHEMATICA lst = Range[1, 600, 2]; i = 2; While[ i <= (len = Length@lst) && (k = lst[[i]]) <= len, lst = Drop[lst, {k, len, k}]; i++ ]; Rest@lst - Most@lst (* Robert G. Wilson v, May 12 2006 *) PROG (Haskell) a031883 n = a031883_list !! (n-1) a031883_list = zipWith (-) (tail a000959_list) a000959_list -- Reinhard Zumkeller, Feb 11 2015 CROSSREFS Cf. A000959. Cf. A254967. Sequence in context: A056672 A037201 A128886 * A086152 A194577 A274708 Adjacent sequences:  A031880 A031881 A031882 * A031884 A031885 A031886 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified December 10 05:49 EST 2018. Contains 318044 sequences. (Running on oeis4.)