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 A126847 #10 Jan 06 2025 04:05:34 %S A126847 1,12143,252,10695,4830,6119,7590,11478,8027,5750,11431,6233,6278,345, %T A126847 460,1609,4922,2024,3128,7935,2461,5497,3428,8877,2807,7499,2761,8993, %U A126847 8279,1127,10280,9752,9200,3542,529,10580,11845,10097,346,5888,3334,1771,5428 %N A126847 Ramanujan numbers (A000594) read mod 23^3. %H A126847 Amiram Eldar, <a href="/A126847/b126847.txt">Table of n, a(n) for n = 1..10000</a> %H A126847 H. P. F. Swinnerton-Dyer, <a href="http://dx.doi.org/10.1007/978-3-540-37802-0_1">On l-adic representations and congruences for coefficients of modular forms</a>, pp. 1-55 of Modular Functions of One Variable III (Antwerp 1972), Lect. Notes Math., 350, 1973. %t A126847 a[n_] := Mod[RamanujanTau[n], 12167]; Array[a, 100] (* _Amiram Eldar_, Jan 06 2025 *) %o A126847 (PARI) a(n) = ramanujantau(n) % 12167; \\ _Amiram Eldar_, Jan 06 2025 %Y A126847 Cf. A000594, A126845 (mod 23^1), A126846 (mod 23^2), this sequence (mod 23^3). %K A126847 nonn %O A126847 1,2 %A A126847 _N. J. A. Sloane_, Feb 25 2007