A089322 a(0) = 1, then rearrangement of odd multiples of 3 not == 0 (mod 5) such that every partial concatenation (n>1) is a prime.

1, 3, 9, 21, 33, 39, 57, 27, 99, 147, 111, 93, 51, 249, 213, 327, 63, 591, 189, 87, 267, 123, 171, 477, 711, 513, 321, 609, 1389, 381, 177, 1641, 81, 543, 207, 357, 1887, 1197, 807, 927, 627, 1239, 69, 861, 447, 201, 261, 579, 1269, 1719, 1497, 297, 129, 243

Offset

0,2

Links

Table of n, a(n) for n=0..53.

Example

13,139,13921,1392133 etc. are primes.

Crossrefs

Sequence in context: A242740 A029536 A331131 * A182632 A351894 A286590

Adjacent sequences: A089319 A089320 A089321 * A089323 A089324 A089325

Keyword

base,nonn

Author

Amarnath Murthy, Nov 03 2003

Extensions

More terms from David Wasserman, Sep 09 2005

Status

approved