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 A285704 a(n) = A285703(n) - n = A000203(A064216(n)) - n. 3
 0, 1, 1, 2, 2, 2, 5, 4, 5, 8, 7, 8, 0, 1, 9, 14, 7, 6, 13, 16, 17, 20, 5, 20, 6, 16, 21, 4, 25, 24, 29, 10, 15, 28, 25, 32, 35, 1, 9, 34, -10, 38, 13, 28, 39, 26, 43, 24, 41, 6, 47, 50, 19, 50, 53, 40, 53, 22, 25, 24, -4, 52, -23, 50, 61, 62, 41, -8, 63, 68, 61, 24, 23, 19, 65, 74, 21, 42, 73, 64, 39, 76, 13, 80, 48, 40, 81, -10, 73, 84, 89, 88, 35, 18, -5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A285703(n) - n = A000203(A064216(n)) - n. MATHEMATICA Table[-n + DivisorSigma[1, #] &@ If[n == 1, 1, Apply[Times, FactorInteger[2 n - 1] /. {p_, e_} /; p > 2 :> NextPrime[p, -1]^e]], {n, 95}] (* Michael De Vlieger, Apr 26 2017 *) PROG (Scheme) (define (A285704 n) (- (A285703 n) n)) CROSSREFS Cf. A000203, A001065, A064216, A285703, A285705. Sequence in context: A147293 A134634 A103286 * A058704 A316660 A098101 Adjacent sequences:  A285701 A285702 A285703 * A285705 A285706 A285707 KEYWORD sign AUTHOR Antti Karttunen, Apr 26 2017 STATUS approved

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Last modified May 9 06:14 EDT 2021. Contains 343692 sequences. (Running on oeis4.)