A242124 a(n) = n-th prime modulo 26.
2, 3, 5, 7, 11, 13, 17, 19, 23, 3, 5, 11, 15, 17, 21, 1, 7, 9, 15, 19, 21, 1, 5, 11, 19, 23, 25, 3, 5, 9, 23, 1, 7, 9, 19, 21, 1, 7, 11, 17, 23, 25, 9, 11, 15, 17, 3, 15, 19, 21, 25, 5, 7, 17, 23, 3, 9, 11, 17, 21, 23, 7, 21, 25, 1, 5, 19, 25, 9, 11, 15, 21
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Crossrefs
Cf. similar sequences listed in A242119.
Programs
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Magma
[p mod(26): p in PrimesUpTo(500)];
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Mathematica
Mod[Prime[Range[100]], 26]
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Sage
[mod(p, 26) for p in primes(500)] # Bruno Berselli, May 05 2014
Formula
Sum_k={1..n} a(k) ~ 13*n. - Amiram Eldar, Dec 12 2024