A031343 -id:A031343 - cp's OEIS frontend

A246929 a(n) = prime(11*n).

31, 79, 137, 193, 257, 317, 389, 457, 523, 601, 661, 743, 823, 887, 977, 1049, 1117, 1213, 1289, 1373, 1453, 1531, 1607, 1693, 1777, 1871, 1951, 2029, 2113, 2213, 2293, 2377, 2447, 2551, 2659, 2713, 2797, 2887, 2971, 3079, 3187, 3271, 3359, 3461, 3539

Offset: 1

Vincenzo Librandi, Sep 08 2014

Jens Kruse Andersen, Table of n, a(n) for n = 1..10000

Cf. sequences of the type prime(k*n): A000040 (k=1), A031215 (k=2), A031336 - A031343 (k=3..10), this sequence (k=11), A246930 (k=12), A126588 (k=13), A246931 (k=14), A246932 (k=15), A246933 (k=16), A129480 (k=17), A031921 (k=100), A031922 (k=1000).

Magma
```
[NthPrime(11*n): n in [1..50]];
```
Mathematica
```
Prime[11 Range[50]]
```

a(n)=prime(11*n) \\ Edward Jiang, Sep 08 2014

[nth_prime(11*n) for n in (1..50)] # Bruno Berselli, Sep 08 2014

A031917 a(n) = prime(10*n-7).

Original entry on oeis.org

5, 41, 83, 137, 191, 241, 307, 367, 431, 487, 563, 617, 677, 751, 823, 883, 967, 1031, 1093, 1171, 1237, 1303, 1409, 1471, 1543, 1607, 1669, 1753, 1847, 1913, 1999, 2081, 2141, 2239, 2309, 2381, 2447, 2549, 2647, 2699, 2767, 2843, 2927

Offset: 1

Jeff Burch

nonn

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Cf. A000040, A031343, A031915, A031916.

[ NthPrime(10*n-7): n in [1..50] ]; // Vincenzo Librandi, Apr 08 2011

Prime[10*Range[60]-7] (* G. C. Greubel, Feb 18 2024 *)

[nth_prime(10*n-7) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

A244064 Primes which are concatenation of prime(n), prime(10n) and prime(100n).

Original entry on oeis.org

4173310657, 97158322307, 137221330559, 223341346447, 251390752919, 271423157191, 367552173973, 433647386371, 487729796581, 491741197813, 5097643101281, 6018831116447, 6179109119983, 6439439124577, 70910343136379, 71910459137477, 82311933155327, 82912109157739

Offset: 1

K. D. Bajpai, Jun 19 2014

			4173310657 is in the sequence because concatenation of [prime(13), prime(130), prime(1300)] = 4173310657, which is a prime.
97158322307 is in the sequence because concatenation of [prime(25), prime(250), prime(2500)] = 97158322307, which is a prime.

K. D. Bajpai, Table of n, a(n) for n = 1..11139

Cf. A000040, A030469.

Cf. A031343 (prime(10n)), A031921 (prime(100n)).

with(numtheory): with(StringTools): A244064:= proc() local a,b,c,m; a:=ithprime(n); b:=ithprime(10*n); c:=ithprime(100*n);m:=parse(cat(a,b,c)); if isprime(m) then RETURN (m); fi; end: seq(A244064 (), n=1..300);

A244064 = {}; Do[t = FromDigits[Flatten[IntegerDigits /@ {Prime[n], Prime[10 n], Prime[100 n]}]]; If[PrimeQ[t], AppendTo[A244064, t]], {n, 300}]; A244064

cp's OEIS Frontend

A246929 a(n) = prime(11*n).

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A031917 a(n) = prime(10*n-7).

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Magma

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SageMath

A244064 Primes which are concatenation of prime(n), prime(10n) and prime(100n).

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Maple

Mathematica