login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A072805 Primes of form 4k+3 written in base 3. 2
10, 21, 102, 201, 212, 1011, 1121, 1202, 2012, 2111, 2122, 2221, 10002, 10211, 10222, 11201, 11212, 12011, 12121, 20001, 20012, 20122, 21002, 21101, 21211, 22021, 22102, 22212, 100022, 100202, 101001, 101111, 102101, 102112, 110021 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

83 ~ 10002 in base 3.

MATHEMATICA

Do[s=Prime[n]; If[Mod[s, 4]==3, Print[BaseForm[s, 3]]], {n, 1, 256}]

CROSSREFS

Cf. A008713, A072803-A072807.

Sequence in context: A082669 A146083 A001739 * A119033 A171067 A121807

Adjacent sequences:  A072802 A072803 A072804 * A072806 A072807 A072808

KEYWORD

base,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jul 12 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 13:08 EST 2012. Contains 205623 sequences.