%I #10 Aug 27 2020 08:57:35
%S 0,0,0,1,0,1,0,2,1,1,0,3,0,1,1,3,0,3,0,3,1,0,0,5,0,0,2,3,0,4,0,4,0,0,
%T 1,6,0,0,1,5,0,4,0,2,3,0,0,7,1,2,0,2,0,5,0,5,1,0,0,8,0,0,3,5,0,2,0,2,
%U 1,4,0,9,0,0,2,2,0,3,0,7,3,0,0,8,0,0,0,4,0,8,1,2,0,0,0,9,0,3,2,5,0,2,0,4,4
%N Number of divisors d of n for which A003961(d) > 2*d.
%C Number of terms of A246282 that divide n.
%C Number of divisors d of n for which A048673(d) > d.
%H Antti Karttunen, <a href="/A337345/b337345.txt">Table of n, a(n) for n = 1..65537</a>
%H <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a>
%F a(n) = Sum_{d|n} A252742(d).
%F a(n) = A337346(n) + A252742(n).
%o (PARI)
%o A003961(n) = { my(f = factor(n)); for (i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f); };
%o A337345(n) = sumdiv(n,d,A003961(d)>(d+d));
%Y Inverse Möbius transform of A252742.
%Y Cf. A003961, A048673, A246282, A337346, A337372 (positions of ones).
%Y Cf. also A080224.
%K nonn
%O 1,8
%A _Antti Karttunen_, Aug 27 2020
|