This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A136071 Father primes of order 2. 9
 19, 29, 59, 89, 149, 239, 269, 359, 419, 449, 509, 569, 659, 839, 1259, 1289, 1319, 1409, 1559, 1949, 2099, 2309, 2339, 2399, 2459, 2549, 2609, 2789, 2819, 2939, 2969, 2999, 3089, 3209, 3299, 3389, 3719, 3989, 4049, 4139, 4289, 4409, 4649, 4889, 4919 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS For smallest father primes of order n see A136026 (also definition). For father primes of order 1 see A094524 LINKS MATHEMATICA n = 2; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a CROSSREFS Cf. A023208, A094524, A136019, A136020, A136026, A136027, A136072, A136073, A136074, A136075, A136076, A136077, A136078, A136079, A136080. Sequence in context: A030433 A141311 A090148 * A088998 A181606 A139886 Adjacent sequences:  A136068 A136069 A136070 * A136072 A136073 A136074 KEYWORD nonn AUTHOR Artur Jasinski, Dec 12 2007 STATUS approved

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 .