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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 March 25 01:17 EDT 2019. Contains 321450 sequences. (Running on oeis4.)