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A254532 Number of length n 1..(1+2) arrays with no leading partial sum equal to a prime 1

%I

%S 1,1,1,2,4,6,11,20,33,62,135,317,692,1345,2651,5741,12576,25825,49270,

%T 90118,168115,340003,751400,1741713,4057301,9232683,20184851,42473752,

%U 87925348,183030469,382853596,790870128,1597901060,3189861839,6430641490

%N Number of length n 1..(1+2) arrays with no leading partial sum equal to a prime

%C Column 1 of A254539

%H R. H. Hardin, <a href="/A254532/b254532.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=4

%e ..1....1

%e ..3....3

%e ..2....2

%e ..2....3

%K nonn

%O 1,4

%A _R. H. Hardin_, Feb 01 2015

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Last modified January 24 10:01 EST 2022. Contains 350534 sequences. (Running on oeis4.)