|
Search: id:A136061
|
|
|
| A136061 |
|
Mother primes of order 2. |
|
+0
10
|
|
| 11, 31, 61, 151, 181, 211, 331, 541, 631, 691, 751, 811, 991, 1051, 1201, 1381, 1531, 1741, 1831, 1861, 2161, 2281, 2311, 2731, 2851, 3001, 3061, 3301, 3361, 3541, 3631, 3691, 3931, 4051, 4111, 4261, 4591, 4831, 4951, 5101, 5431, 5581, 5641, 5851, 6151
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
For smallest mother primes of order n see A136020 (also definition). For m other primes of order 1 see A091180
|
|
MATHEMATICA
|
n = 2; a = {}; Do[If[PrimeQ[(Prime[k] + 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a
|
|
CROSSREFS
|
Cf. A088878, A091180, A136019, A136020, A136062, A136063, A136064, A136065, A136066, A136067, A136068, A136069, A136070.
Sequence in context: A125239 A062786 A090562 this_sequence A090233 A139836 A085715
Adjacent sequences: A136058 A136059 A136060 this_sequence A136062 A136063 A136064
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Artur Jasinski (grafix(AT)csl.pl), Dec 12 2007
|
|
|
Search completed in 0.002 seconds
|
