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Numbers n such that there are no primes in a sequence formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms and the primes are counted from initial t digits up to the largest term < n^2; where zeros are located in A098598.
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%I #5 Dec 15 2017 17:36:45

%S 40,44,46,48,60,64,66,68,69,80,84,86,88,90,96,99,194,400,404,406,408,

%T 440,444,446,448,460,464,466,468,480,484,486,488,600,604,606,608,609,

%U 640,644,646,648,660,664,666,668,669,680,684,686,688,690,696,699,800

%N Numbers n such that there are no primes in a sequence formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms and the primes are counted from initial t digits up to the largest term < n^2; where zeros are located in A098598.

%e 194 is in the sequence because 1, 9, 4, 14, 27, 45, 86, 158, 289, 533, 980, 1802, 3315, 6097, 11214, 20626 contains no primes.

%Y Cf. A098598.

%K base,nonn

%O 1,1

%A _Jason Earls_, Sep 18 2004