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Minimal value of A007947(m*(11^n-m)) with m coprime to 11.
2

%I #7 Aug 12 2020 01:28:56

%S 6,30,30,390,3162,2730,17706

%N Minimal value of A007947(m*(11^n-m)) with m coprime to 11.

%C The minima are reached for m values given in A147805.

%o (PARI) A147798(n, p=11) = {my(m=n=p^n); for(a=1, n\2, a%p || next; m > 2*A007947(a) || next; m > A007947(n-a)*A007947(a) || next; m = A007947(n-a)*A007947(a) ); m; }

%Y Cf. A007947, A147298, A147799, A147800, A147801, A147802, A147803, A147804, A147805.

%K nonn,more

%O 1,1

%A _M. F. Hasler_, Dec 06 2008