This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A072624 #12 Mar 17 2025 02:41:16 %S A072624 0,3,5,5,22,7,31,55,14,41,56,107,164,17,77,83,145,199,271,341,437,73, %T A072624 100,179,262,319,416,519,594,697,846,993,25,93,131,259,369,497,575, %U A072624 699,879,989,1085,1259,1409,1533,1799,1961,2183,2307,2519,23,188,329,514 %N A072624 a(n) = prime(n^2) mod n^2. %H A072624 Amiram Eldar, <a href="/A072624/b072624.txt">Table of n, a(n) for n = 1..10000</a> %F A072624 a(n) = A004648(n^2). %e A072624 For n = 10: a(10) = prime(100) mod 100 = 541 mod 100 = 41. %t A072624 a[n_] := Mod[Prime[n^2], n^2]; Array[a, 100] (* _Amiram Eldar_, Mar 17 2025 *) %o A072624 (PARI) a(n) = prime(n^2) % (n^2); \\ _Amiram Eldar_, Mar 17 2025 %Y A072624 Cf. A004648, A065863, A065134, A065875, A072623. %K A072624 nonn %O A072624 1,2 %A A072624 _Labos Elemer_, Jun 28 2002