

A092835


Indices of prime tribonacci numbers, minus 1.


5



3, 5, 6, 10, 86, 97, 214, 801, 4201, 18698, 96878
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OFFSET

1,1


COMMENTS

The prime for n=96878 was found by Kamil Duszenko.  T. D. Noe, Mar 08 2005
a(12) > 6*10^5.  Robert Price, Nov 21 2013


LINKS

Table of n, a(n) for n=1..11.
Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci nstep and Lucas nstep Sequences, J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4
Eric Weisstein's World of Mathematics, Tribonacci Number
Eric Weisstein's World of Mathematics, Integer Sequence Primes


FORMULA

A000073(a(n)+1) = A092836(n).  Ray Chandler and Jonathan Vos Post, Dec 26 2004


CROSSREFS

Cf. A000073, A092836.
Sequence in context: A290269 A115059 A250218 * A327433 A167522 A001838
Adjacent sequences: A092832 A092833 A092834 * A092836 A092837 A092838


KEYWORD

nonn


AUTHOR

Eric W. Weisstein, Mar 06 2004


EXTENSIONS

2 more terms from T. D. Noe, Mar 08 2005


STATUS

approved



