A050527 -id:A050527 - cp's OEIS frontend

A322956 Numbers k such that 327*2^k+1 is prime.

3, 4, 6, 15, 30, 64, 99, 108, 135, 363, 414, 531, 576, 811, 1326, 1414, 1476, 1936, 2371, 3951, 4195, 13324, 21696, 23203, 35790, 46950, 51756, 55174, 61876, 92487, 134104, 691951, 706915, 1743751

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(327*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[327*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

A322958 Numbers k such that 331*2^k+1 is prime.

Original entry on oeis.org

4, 8, 12, 20, 28, 36, 120, 184, 200, 756, 788, 1304, 6412, 7848, 12944, 40116, 45056, 67520, 129172, 204592, 225568, 615116, 803668, 1646668, 2917844

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(331*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[331*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

a(25) from Jeppe Stig Nielsen, Dec 20 2024

A322959 Numbers k such that 333*2^k+1 is prime.

Original entry on oeis.org

5, 6, 9, 18, 25, 33, 50, 54, 69, 70, 101, 153, 176, 245, 401, 448, 745, 768, 806, 840, 1338, 1718, 3504, 4164, 5581, 5729, 6010, 6705, 8076, 10233, 12169, 13345, 55285, 58138, 113589, 197820, 203453, 238130, 364946, 817201, 1068320, 1708106, 1837105

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(333*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[333*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

A322960 Numbers k such that 335*2^k+1 is prime.

Original entry on oeis.org

19, 23, 29, 173, 263, 295, 659, 803, 1075, 1087, 1129, 1189, 3173, 4519, 16277, 44425, 67069, 103789, 151319, 189379, 323767, 356029, 409429, 528439, 1335337, 3266237

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(335*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[335*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

a(26) from Jeppe Stig Nielsen, Dec 20 2024

A322961 Numbers k such that 337*2^k+1 is prime.

Original entry on oeis.org

4, 6, 10, 26, 64, 66, 70, 102, 322, 370, 570, 1750, 1782, 1974, 2482, 6886, 7782, 9784, 20476, 34826, 37546, 46566, 47800, 132962, 184230, 257930, 286554, 370274, 544852, 648856, 2585660, 2750860, 3274106

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(337*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[337*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

a(31)-a(32) from Jeppe Stig Nielsen, Dec 27 2019

a(33) from Jeppe Stig Nielsen, Dec 20 2024

A322962 Numbers k such that 339*2^k+1 is prime.

Original entry on oeis.org

3, 11, 17, 21, 26, 50, 62, 125, 165, 278, 290, 1227, 1275, 1325, 2153, 2450, 2811, 3327, 5921, 6321, 7095, 8657, 8786, 9687, 12221, 14163, 30686, 63975, 73767, 132551, 356991, 364797, 442065, 464483, 559637, 632297, 972755, 1685135, 2408337, 3974295, 4592225

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(339*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[339*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

a(39) from Jeppe Stig Nielsen, Jan 04 2020

a(40)-a(41) from Jeppe Stig Nielsen, Dec 20 2024

A322963 Numbers k such that 341*2^k+1 is prime.

Original entry on oeis.org

1, 3, 7, 19, 21, 33, 43, 99, 183, 235, 499, 579, 1137, 1225, 1941, 1987, 2409, 3285, 9093, 9121, 11043, 14997, 17919, 31543, 57163, 83595, 127915, 129199, 220651, 384961, 1255881, 1325277, 1728697, 3300789, 3686613, 3938565

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(341*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[341*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

a(34)-a(36) from Jeppe Stig Nielsen, Dec 20 2024

A322964 Numbers k such that 343*2^k+1 is prime.

Original entry on oeis.org

2, 20, 22, 46, 58, 226, 3760, 7060, 16192, 22018, 35576, 103952, 113326, 120716, 285122, 543148, 785510, 1033126

Offset: 1

Robert Price, Dec 31 2018

Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Cf. A002255, A050527.

select(n->isprime(343*2^n+1),[$1..1000]); # Muniru A Asiru, Dec 31 2018

Select[Range[1000], PrimeQ[343*2^# + 1] &] (* Robert Price, Dec 31 2018 *)

cp's OEIS Frontend

A322956 Numbers k such that 327*2^k+1 is prime.

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A322958 Numbers k such that 331*2^k+1 is prime.

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A322959 Numbers k such that 333*2^k+1 is prime.

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A322960 Numbers k such that 335*2^k+1 is prime.

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A322961 Numbers k such that 337*2^k+1 is prime.

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Maple

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A322962 Numbers k such that 339*2^k+1 is prime.

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Programs

Maple

Mathematica

Extensions

A322963 Numbers k such that 341*2^k+1 is prime.

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Author

Keywords

Links

Crossrefs

Programs

Maple

Mathematica

Extensions

A322964 Numbers k such that 343*2^k+1 is prime.

Views

Author

Keywords

Links

Crossrefs

Programs

Maple

Mathematica