A146526 a(n) = the smallest positive integer m with exactly n (no more, no fewer) distinct primes represented in binary as substrings within the binary representation of m.

1, 2, 5, 14, 11, 27, 23, 47, 59, 119, 189, 239, 379, 503, 479, 959, 991, 1919, 2015, 3067, 3967, 5087, 8063, 8159, 13279, 16319, 24543, 29663, 46047, 62431, 63439, 98139, 119775, 171999, 196443, 229199, 245671, 368607, 439263, 507815, 491343, 522191, 916799, 982687, 1044383, 2064207, 2031263

Offset

0,2

Comments

a(n) = the smallest positive integer m such that A078826(m) = n.

Links

Table of n, a(n) for n=0..46.

Crossrefs

Cf. A078826.

Sequence in context: A324982 A289682 A151854 * A120626 A046058 A137271

Adjacent sequences: A146523 A146524 A146525 * A146527 A146528 A146529

Keyword

nonn

Author

Leroy Quet, Oct 30 2008

Extensions

a(8)-a(38) from Ray Chandler, Nov 06 2008

More terms from Sean A. Irvine, Jan 13 2011

Status

approved