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 A146118 #11 Jun 20 2025 10:44:31 %S A146118 1,1,2,5,15,24,7,9,24,7,27,18,17,9,26,17,27,24,7,5,0,15,23,2,17,5,26, %T A146118 1,3,4,19,1,24,27,11,14,9,13,18,9,3,4,23,1,24,27,19,14,13,17,18,9,11, %U A146118 12,27,9,0,27,27,2,25,1,2,13,19,8,27,5,24,15,11,6,21,25,22,25,19,24,27,25,12 %N A146118 Bell numbers (A000110) read mod 28. %D A146118 W. F. Lunnon et al., Arithmetic properties of Bell numbers to a composite modulus I, Acta Arith., 35 (1979), 1-16. %H A146118 G. C. Greubel, <a href="/A146118/b146118.txt">Table of n, a(n) for n = 0..10000</a> %H A146118 W. F. Lunnon, P. A. B. Pleasants, and N. M. Stephens, <a href="http://matwbn.icm.edu.pl/ksiazki/aa/aa35/aa3511.pdf">Arithmetic properties of Bell numbers to a composite modulus I</a>, Acta Arithmetica 35 (1979), pp. 1-16. %H A146118 <a href="/index/Rec#order_1647084">Index entries for linear recurrences with constant coefficients</a>, order 1647084. %F A146118 a(n+1647084) = a(n). - _G. C. Greubel_, Feb 02 2016 [See A054767. - _Jianing Song_, Jun 20 2025] %t A146118 Mod[BellB[Range[0, 100]], 28] (* _G. C. Greubel_, Feb 02 2016 *) %o A146118 (Magma) [Bell(n) mod 28: n in [0..100]]; // _G. C. Greubel_, Feb 02 2016 %Y A146118 Cf. A000110, A146093-A146122 (Bell numbers read mod 3 to mod 32). %Y A146118 Cf. A054767 (periods). %K A146118 nonn %O A146118 0,3 %A A146118 _N. J. A. Sloane_, Feb 07 2009