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A256972
Triangle read by rows: row n gives coefficients of polynomial chi_n(1,1,q), n >= 0.
0
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, 7, 6, 7, 5, 4, 2, 2, 1, 1, 2, 3, 3, 5, 7, 7, 8, 7, 7, 5, 5, 3, 2, 1, 1
OFFSET
0,6
REFERENCES
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.
EXAMPLE
Triangle begins:
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,
1,1,2,3,3,5,7,6,7,5,4,2,2,
1,1,2,3,3,5,7,7,8,7,7,5,5,3,2,1,1,
...
CROSSREFS
Sequence in context: A306261 A329722 A025430 * A365708 A352999 A280747
KEYWORD
nonn,tabl,more
AUTHOR
N. J. A. Sloane, Apr 19 2015
EXTENSIONS
The irregular triangle in Table E-2 should also be added to the OEIS.
STATUS
approved