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 A007710 M1695 #41 Jan 17 2018 16:44:54 %S A007710 1,0,2,6,31,180,1255,9949,89162,886837,9722814,116236256,1507191024, %T A007710 21042127239 %N A007710 From the game of Mousetrap. %D A007710 R. K. Guy and R. J. Nowakowski, "Mousetrap," in D. Miklos, V. T. Sos and T. Szonyi, eds., Combinatorics, Paul Erdős is Eighty. Bolyai Society Math. Studies, Vol. 1, pp. 193-206, 1993. %D A007710 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A007710 Arthur Cayley, <a href="http://gdz.sub.uni-goettingen.de/dms/load/img/?PPN=PPN600494829_0015&DMDID=DMDLOG_0003&PHYSID=PHYS_0015">On the game of Mousetrap</a>, Quarterly Journal of Pure and Applied Mathematics 15 (1878), p. 8-10. %H A007710 R. K. Guy and R. J. Nowakowski, <a href="/A002467/a002467_1.pdf">Mousetrap</a>, Preprint, Feb 10 1993 [Annotated scanned copy] %H A007710 Adolph Steen, <a href="http://gdz.sub.uni-goettingen.de/dms/load/img/?PPN=PPN600494829_0015&DMDID=DMDLOG_0003&LOGID=LOG_0006&PHYSID=PHYS_0230">Some formulas respecting the game of Mousetrap</a>, Quarterly Journal of Pure and Applied Mathematics 15 (1878), p. 230-241. %F A007710 a(n) = A028305((1/2)*(n+1)*(n+2)-n+1). - _Martin Renner_, Sep 03 2015 %Y A007710 Cf. A028305. %K A007710 nonn %O A007710 1,3 %A A007710 _N. J. A. Sloane_ %E A007710 a(10) from _Martin Renner_, Sep 02 2015 %E A007710 a(11)-a(14) from _Sean A. Irvine_, Jan 17 2018