login
Triangle read by rows giving coefficients in Gould's polynomials for counting fountains of coins.
1

%I #10 Jun 24 2017 00:59:19

%S 1,1,-1,1,-3,2,1,-6,17,-18,1,-10,59,-170,168,1,-15,145,-765,1954,

%T -1920,1,-21,295,-2415,11224,-27084,25920,1,-28,532,-6160,44359,

%U -190372,438948,-418320

%N Triangle read by rows giving coefficients in Gould's polynomials for counting fountains of coins.

%D H. W. Gould, R. K. Guy, and N. J. A. Sloane, Correspondence, 1987.

%H H. W. Gould, R. K. Guy, and N. J. A. Sloane, <a href="/A005169/a005169_5.pdf">Correspondence</a>, 1987.

%e Triangle begins:

%e 1;

%e 1, -1;

%e 1, -3, 2;

%e 1, -6, 17, -18;

%e 1, -10, 59, -170, 168;

%e 1, -15, 145, -765, 1954, -1920;

%e 1, -21, 295, -2415, 11224, -27084, 25920;

%e 1, -28, 532, -6160, 44359, -190372, 438948, -418320;

%e ...

%K sign,tabl,more

%O 0,5

%A _N. J. A. Sloane_, Jul 10 2015