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A368195 a(n) is the number of numbers that can be obtained by replacing any positive number without leading zeros, say m, appearing in the decimal expansion of n by one of the divisors of m.

%I A368195 #14 Dec 22 2023 11:39:35
%S A368195 1,2,2,3,2,4,2,4,3,4,2,7,3,6,5,8,3,9,4,6,5,6,4,11,5,8,6,10,5,8,3,8,6,
%T A368195 7,6,13,4,8,7,8,4,11,5,10,8,9,5,15,7,6,5,8,4,11,6,12,6,8,5,12,5,8,10,
%U A368195 12,8,14,6,12,9,8,3,13,4,7,7,10,6,12,5,10,8
%N A368195 a(n) is the number of numbers that can be obtained by replacing any positive number without leading zeros, say m, appearing in the decimal expansion of n by one of the divisors of m.
%C A368195 a(n) gives the number of terms in the n-th row of A368194.
%H A368195 Rémy Sigrist, <a href="/A368195/b368195.txt">Table of n, a(n) for n = 1..10000</a>
%H A368195 Rémy Sigrist, <a href="/A368195/a368195.gp.txt">PARI program</a>
%H A368195 <a href="/index/De#decimal_expansion">Index entries for sequences related to decimal expansion of n</a>
%F A368195 a(n) >= A000005(n).
%e A368195 For n = 42: the 42nd row of A368194 contains 11 terms (1, 2, 3, 6, 7, 12, 14, 21, 22, 41, 42), so a(42) = 11.
%o A368195 (PARI) See Links section.
%Y A368195 Cf. A000005, A368194, A368314 (binary variant).
%K A368195 nonn,base
%O A368195 1,2
%A A368195 _Rémy Sigrist_, Dec 16 2023