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A068172 Define an increasing sequence as follows. Given the first term called the seed (the seed need not have the property of the sequence.). Subsequent terms are defined as obtained by inserting/placing digits (at least one) in the previous term to obtain the smallest number with a given property. This is the growing prime sequence for the seed a(1) = 7. 2

%I

%S 7,17,107,1087,10487,104087,1024087,10024087,100024087,1000124087,

%T 10001240087,100012400837,1000124008327,10000124008327,

%U 100001124008327,1000011224008327,10000110224008327,100001100224008327,1000010100224008327,10000101002240083271,100001010022400283271,1000010100221400283271

%N Define an increasing sequence as follows. Given the first term called the seed (the seed need not have the property of the sequence.). Subsequent terms are defined as obtained by inserting/placing digits (at least one) in the previous term to obtain the smallest number with a given property. This is the growing prime sequence for the seed a(1) = 7.

%e The primes obtained by inserting/placing a digit in a(2) = 17 are 107,127, 137, etc...a(3)= 107 is the smallest.

%Y Cf. A068166, A068167, A068169, A068170, A068171.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Feb 25 2002

%E More terms from _Robert Gerbicz_, Sep 06 2002

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Last modified May 8 09:21 EDT 2021. Contains 343666 sequences. (Running on oeis4.)