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%I #8 Jul 13 2021 01:22:14
%S 2,2,3,7,17,41,89,193,419,859,1759,3607,7247,14551,28793,56893,111863,
%T 218839,426583,827851,1603769,3097121,5966629,11470489,22004617,
%U 42142883,80570929,153802489,293176621,558130051,1061238359,2015569583
%N a(n) = Prime(tribonacci(n)).
%C This is to the tribonacci sequence what A030427 is to the Fibonacci sequence.
%H Chai Wah Wu, <a href="/A113842/b113842.txt">Table of n, a(n) for n = 2..68</a>
%F a(n) = A000040(A000073(n)).
%e a(2) = prime(tribonacci(2)) = prime(1) = 2.
%e a(3) = prime(tribonacci(3)) = prime(1) = 2.
%e a(4) = prime(tribonacci(4)) = prime(2) = 3.
%e a(5) = prime(tribonacci(5)) = prime(4) = 7.
%e a(6) = prime(tribonacci(6)) = prime(7) = 17.
%Y Cf. A000040, A000073, A030427.
%K easy,nonn
%O 2,1
%A _Jonathan Vos Post_, Jan 23 2006
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