cp's OEIS Frontend

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.

A347700 Triangle read by rows: For n >= 1, 0 <= k <= n-1, T(n,k) is Sharp's function w_n(k) arising in the calculation of the number of vacuously transitive relations on n points.

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%I A347700 #9 Oct 14 2021 18:05:49
%S A347700 2,3,4,4,6,14,5,8,47,32,6,10,120,192,60
%N A347700 Triangle read by rows: For n >= 1, 0 <= k <= n-1, T(n,k) is Sharp's function w_n(k) arising in the calculation of the number of vacuously transitive relations on n points.
%C A347700 For the precise definition of T(n,k) see Sharp (1973).
%H A347700 H. Sharp, Jr., <a href="https://doi.org/10.1016/0012-365X(73)90081-2">Enumeration of vacuously transitive relations</a>, Discrete Math. 4 (1973), 185-196.
%e A347700 Triangle begins:
%e A347700   2;
%e A347700   3,  4;
%e A347700   4,  6,  14;
%e A347700   5,  8,  47,  32;
%e A347700   6, 10, 120, 192, 60;
%e A347700 ...
%Y A347700 Row sums are A003041.
%Y A347700 Cf. A347699, A347701.
%K A347700 nonn,more,tabl
%O A347700 1,1
%A A347700 _N. J. A. Sloane_, Oct 13 2021