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 A255336 a(n) = A005811(A255056(n)); After the initial zero, the first differences of A255056. 4
 0, 2, 2, 2, 4, 2, 2, 4, 4, 4, 2, 2, 2, 4, 6, 4, 4, 4, 4, 2, 2, 2, 4, 6, 4, 6, 6, 4, 2, 4, 6, 4, 4, 4, 4, 2, 2, 2, 4, 6, 4, 6, 4, 4, 6, 6, 6, 6, 6, 4, 2, 4, 6, 4, 6, 6, 4, 2, 4, 6, 4, 4, 4, 4, 2, 2, 2, 4, 6, 4, 6, 4, 4, 6, 6, 6, 6, 4, 4, 6, 6, 6, 8, 6, 6, 6, 6, 6, 6, 4, 2, 4, 6, 4, 6, 4, 4, 6, 6, 6, 6, 6, 4, 2, 4, 6, 4, 6, 6, 4, 2, 4, 6, 4, 4, 4, 4, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS First differences of A255056, shifted once right (prepended with zero). LINKS Antti Karttunen, Table of n, a(n) for n = 0..8590 FORMULA a(n) = A005811(A255056(n)). a(0) = 0; and for n >= 1: a(n) = A255056(n) - A255056(n-1). a(n) = 2*A255337(n). PROG (Scheme, two versions) (define (A255336 n) (A005811 (A255056 n))) (define (A255336 n) (if (zero? n) n (- (A255056 n) (A255056 (- n 1))))) CROSSREFS First differences of A255056. Terms of A255337 doubled. Cf. A005811. Analogous sequence: A213712. Sequence in context: A066671 A159802 A329586 * A292929 A049627 A278223 Adjacent sequences:  A255333 A255334 A255335 * A255337 A255338 A255339 KEYWORD nonn AUTHOR Antti Karttunen, Feb 21 2015 STATUS approved

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Last modified January 21 13:51 EST 2020. Contains 331113 sequences. (Running on oeis4.)