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A077561 Indices of terms of A025487 which divide the terms. Numbers k such that A025487(k) is a multiple of k. 2

%I #16 Dec 30 2020 03:35:30

%S 1,2,6,8,12,16,20,24,32,45,48,66,84,90,96,108,120,140,144,150,154,162,

%T 168,175,180,192,198,200,216,220,224,240,252,264,280,288,300,315,324,

%U 336,360,375,390,396,432,486,504,525,570,576,594

%N Indices of terms of A025487 which divide the terms. Numbers k such that A025487(k) is a multiple of k.

%H Amiram Eldar, <a href="/A077561/b077561.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..3762 from Charlie Neder)

%Y Cf. A025487, A077562.

%K nonn

%O 1,2

%A _Amarnath Murthy_, Nov 10 2002

%E More terms from _Ray Chandler_, Aug 24 2003

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Last modified May 1 19:41 EDT 2024. Contains 372176 sequences. (Running on oeis4.)