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 A146095 #20 Jun 20 2025 10:39:20 %S A146095 1,1,2,0,0,2,3,2,0,2,0,0,2,2,2,0,2,4,4,2,2,1,3,1,4,3,4,4,0,2,2,3,4,2, %T A146095 4,0,2,1,1,4,2,3,2,0,1,0,0,2,1,1,0,2,3,2,1,2,0,0,3,3,2,0,3,1,0,2,3,4, %U A146095 1,2,0,2,0,3,2,2,2,3,0,4,4,0,3,4,3,4,3,2,2,2,2,0,4,4,4,2,4,3,3,1,1,2,1,4,2 %N A146095 Bell numbers (A000110) read mod 5. %H A146095 G. C. Greubel, <a href="/A146095/b146095.txt">Table of n, a(n) for n = 0..2500</a> %H A146095 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 A146095 <a href="/index/Rec#order_781">Index entries for linear recurrences with constant coefficients</a>, order 781. %F A146095 a(n) = a(n-781). - _Charles R Greathouse IV_, Jul 06 2011 [See A054767. - _Jianing Song_, Jun 20 2025] %t A146095 Mod[BellB[Range[0, 50]], 5] (* _G. C. Greubel_, Jan 30 2016 *) %o A146095 (Magma) [Bell(n) mod 5: n in [0..100]]; // _Vincenzo Librandi_, Jan 30 2016 %Y A146095 Cf. A000110, A146093-A146122 (Bell numbers read mod 3 to mod 32). %Y A146095 Cf. A054767 (periods). %K A146095 nonn %O A146095 0,3 %A A146095 _N. J. A. Sloane_, Feb 07 2009