A142005 -id:A142005 - cp's OEIS frontend

A142024 Primes congruent to 20 mod 31.

113, 547, 733, 857, 919, 1229, 1291, 1601, 1663, 1787, 1973, 2221, 2531, 2593, 2903, 3089, 3461, 3709, 3833, 4019, 4391, 4639, 5011, 5197, 5507, 5569, 5693, 5879, 6871, 7057, 7243, 8111, 8297, 8669, 8731, 9041, 9103, 9227, 9413, 9661, 10343, 10529, 11087

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142023.

[p: p in PrimesUpTo(12000) | p mod 31 eq 20 ]; // Vincenzo Librandi, Aug 17 2012

Select[Range[20,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[1400]],Mod[#,31]==20&] (* Harvey P. Dale, Jul 30 2020 *)

is(n)=isprime(n) && n%31==20 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142025 Primes congruent to 21 mod 31.

Original entry on oeis.org

83, 269, 331, 641, 827, 1013, 1447, 1571, 2129, 2377, 2687, 2749, 3121, 3307, 3617, 3803, 3989, 4051, 4423, 4547, 4733, 4919, 5167, 5477, 5849, 6221, 6469, 6779, 6841, 7027, 7151, 7213, 7523, 8081, 8329, 8887, 9011, 9631, 9817, 9941, 10313, 10499, 11057, 11119

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142023.

[p: p in PrimesUpTo(12000) | p mod 31 eq 21 ]; // Vincenzo Librandi, Aug 17 2012

Select[Range[21,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[1500]],Mod[#,31]==21&] (* Harvey P. Dale, Aug 20 2024 *)

is(n)=isprime(n) && n%31==21 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142026 Primes congruent to 22 mod 31.

Original entry on oeis.org

53, 239, 487, 673, 797, 859, 983, 1231, 1789, 1913, 2099, 2161, 2347, 2657, 2719, 2843, 3463, 4021, 4517, 4703, 4889, 4951, 5261, 5323, 5881, 6067, 6563, 6997, 7121, 7307, 7369, 7741, 7927, 8237, 8423, 8609, 9043, 9539, 9601, 9787, 9973, 10159, 10531, 10903

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142023.

[p: p in PrimesUpTo(12000) | p mod 31 eq 22 ]; // Vincenzo Librandi, Aug 17 2012

Select[Range[22,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

is(n)=isprime(n) && n%31==22 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142028 Primes congruent to 24 mod 31.

Original entry on oeis.org

179, 241, 613, 1109, 1171, 1481, 1543, 1667, 2039, 2287, 2411, 2473, 2659, 2969, 3217, 3527, 4271, 4457, 4519, 4643, 5077, 5387, 5449, 5573, 5821, 6007, 6131, 6317, 6379, 6689, 7247, 7309, 7433, 7681, 7867, 8053, 8363, 9293, 9479, 9851, 10037, 10099, 10223

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142027.

[p: p in PrimesUpTo(12000) | p mod 31 eq 24 ]; // Vincenzo Librandi, Aug 17 2012

Select[Range[24,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[1300]],Mod[#,31]==24&] (* Harvey P. Dale, Jun 14 2018 *)

is(n)=isprime(n) && n%31==24 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142030 Primes congruent to 26 mod 31.

Original entry on oeis.org

181, 367, 491, 677, 739, 863, 1049, 1297, 1483, 1607, 1669, 1979, 2351, 2909, 2971, 3343, 3467, 3529, 4211, 4273, 4397, 4583, 4831, 6133, 6257, 6691, 7001, 7187, 7559, 7621, 7993, 8117, 8179, 8737, 8861, 8923, 9109, 9419, 9791, 10039, 10163, 10597, 11093, 11279

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142029.

[p: p in PrimesUpTo(12000) | p mod 31 eq 26 ]; // Vincenzo Librandi, Aug 18 2012

Select[Range[26,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[2000]],Mod[#,31]==26&] (* Harvey P. Dale, Nov 21 2024 *)

is(n)=isprime(n) && n%31==26 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142032 Primes congruent to 28 mod 31.

Original entry on oeis.org

59, 307, 431, 617, 1051, 1237, 1361, 1423, 1609, 1733, 2477, 2539, 2663, 3221, 3407, 3469, 3593, 3779, 4027, 4337, 4523, 4957, 5081, 5639, 5701, 6011, 6073, 6197, 6569, 7127, 7499, 7561, 7933, 8243, 8429, 8677, 8863, 9049, 9173, 9421, 10103, 10289, 10723

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142031.

[p: p in PrimesUpTo(12000) | p mod 31 eq 28 ]; // Vincenzo Librandi, Aug 18 2012

Select[Range[28,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

is(n)=isprime(n) && n%31==28 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

A142034 Primes congruent to 30 mod 31.

Original entry on oeis.org

61, 433, 557, 619, 743, 929, 991, 1301, 1487, 1549, 2293, 2417, 2789, 2851, 3037, 3347, 3533, 3719, 3967, 4091, 4153, 4339, 4463, 4649, 5021, 5393, 5641, 5827, 6199, 6323, 6571, 7129, 7253, 7687, 7873, 8059, 8369, 8431, 8741, 8803, 9547, 9733, 9857, 10477

Offset: 1

N. J. A. Sloane, Jul 11 2008

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Cf. A000040, A142005, A142006, A142033.

[p: p in PrimesUpTo(12000) | p mod 31 eq 30 ]; // Vincenzo Librandi, Aug 18 2012

Select[Range[30,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

is(n)=isprime(n) && n%31==30 \\ Charles R Greathouse IV, Jul 03 2016

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

cp's OEIS Frontend

A142024 Primes congruent to 20 mod 31.

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A142025 Primes congruent to 21 mod 31.

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A142026 Primes congruent to 22 mod 31.

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A142028 Primes congruent to 24 mod 31.

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A142030 Primes congruent to 26 mod 31.

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A142032 Primes congruent to 28 mod 31.

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Magma

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A142034 Primes congruent to 30 mod 31.

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Magma

Mathematica

PARI

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