A164891 Base 10 representation of the string formed by prepending primes in base 2.

2, 14, 94, 990, 12254, 225246, 4681694, 164065246, 6338080734, 255446183902, 8776661299166, 334232103120862, 23415180193394654, 1572653452008845278, 109947274885052461022, 7931366762137902346206, 565170611740756037562334, 37437408109986945866100702

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..335

Example

The primes in base 2 (10,11,101,111,...) concatenated by prepending give the first four binary terms 10,1110,1011110,1111011110; or 2,14,94,990 base 10.

Mathematica

FromDigits[#, 2]&/@Table[Flatten[IntegerDigits[#, 2]&/@Prime[Range[n, 1, -1]]], {n, 20}] (* Harvey P. Dale, Jul 07 2019 *)

Crossrefs

Sequence in context: A090410 A066052 A122057 * A141146 A267913 A204699

Adjacent sequences: A164888 A164889 A164890 * A164892 A164893 A164894

Keyword

base,easy,nonn

Author

Gil Broussard, Aug 29 2009

Extensions

More terms from Harvey P. Dale, Jul 07 2019

Status

approved