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A238246 Numbers m such that A072219(m) = 3. 5

%I

%S 3,5,6,7,9,10,12,13,14,15,17,18,20,24,25,26,28,29,30,31,33,34,36,40,

%T 48,49,50,52,56,57,58,60,61,62,63,65,66,68,72,80,96,97,98,100,104,112,

%U 113,114,116,120,121,122,124,125,126,127,129,130,132,136,144

%N Numbers m such that A072219(m) = 3.

%C a(n) = A043687(n) + 1.

%H Reinhard Zumkeller, <a href="/A238246/b238246.txt">Table of n, a(n) for n = 1..1000</a>

%o (Haskell)

%o a238246 n = a238246_list !! (n-1)

%o a238246_list = filter ((== 3) . a072219) [1..]

%Y Cf. A000079, A238247, A238248.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Feb 20 2014

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Last modified January 29 22:20 EST 2023. Contains 359931 sequences. (Running on oeis4.)