

A101595


a(1) = 2; a(n+1) is the least prime p not already used such that pa(n) is not equal to a(k+1)a(k) for any k < n.


3



2, 3, 5, 11, 7, 17, 29, 13, 31, 19, 23, 37, 53, 43, 41, 61, 47, 71, 79, 59, 89, 67, 101, 73, 109, 83, 127, 97, 137, 103, 131, 107, 139, 181, 113, 151, 173, 167, 149, 197, 157, 211, 163, 223, 179, 229, 191, 257, 193, 239, 307, 199, 251, 277, 227, 283, 241, 233, 311
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OFFSET

1,1


COMMENTS

Apparently a rearrangement of the primes. Among the first 10000 terms the only missing primes are prime(9530,9532,9533,9541,9552,9556,9557,9560,9562,9563,...) = (99259,99289,99317,99401,99559,99581,99607,99643,99667,99679,...).  Zak Seidov, Nov 18 2014


LINKS

Table of n, a(n) for n=1..59.
Zak Seidov, Two graphs.


CROSSREFS

Cf. A084331.
Sequence in context: A067362 A248793 A131200 * A084331 A084333 A288833
Adjacent sequences: A101592 A101593 A101594 * A101596 A101597 A101598


KEYWORD

easy,nonn


AUTHOR

David Wasserman, Dec 14 2004


STATUS

approved



