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Triangle read by rows: row n gives coefficients of polynomial chi_n(1,1,q), n >= 0.
0

%I #7 Apr 19 2015 23:42:21

%S 1,1,1,1,1,2,1,1,2,1,1,1,1,2,3,3,2,2,1,1,2,3,3,3,3,2,1,1,1,1,2,3,3,5,

%T 7,6,7,5,4,2,2,1,1,2,3,3,5,7,7,8,7,7,5,5,3,2,1,1

%N Triangle read by rows: row n gives coefficients of polynomial chi_n(1,1,q), n >= 0.

%D Agarwal, Ashok K.; Andrews, George E. On Asai's polynomials related to the twisting operators of finite classical groups. J. Ramanujan Math. Soc. 1 (1986), no. 1-2, 16--45. MR0945600 (89m:20051). See Table E-1.

%e Triangle begins:

%e 1,

%e 1,1,

%e 1,1,2,

%e 1,1,2,1,1,

%e 1,1,2,3,3,2,2,

%e 1,1,2,3,3,3,3,2,1,1,

%e 1,1,2,3,3,5,7,6,7,5,4,2,2,

%e 1,1,2,3,3,5,7,7,8,7,7,5,5,3,2,1,1,

%e ...

%K nonn,tabl,more

%O 0,6

%A _N. J. A. Sloane_, Apr 19 2015

%E The irregular triangle in Table E-2 should also be added to the OEIS.