A245168 Triangle read by rows: coefficients of the polynomials A_{1,5}(n,k).

1, 0, 1, 0, 1, 1, 0, 3, 8, 3, 0, 13, 63, 63, 13, 0, 663, 4938, 9038, 4938, 663, 0, 17, 177, 502, 502, 177, 17

Offset

0,8

Links

Table of n, a(n) for n=0..27.

J. Agapito, On symmetric polynomials with only real zeros and nonnegative gamma-vectors, Linear Algebra and its Applications, Volume 451, 15 June 2014, Pages 260-289.

Example

Triangle begins:
1,
0,1,
0,1,1,
0,3,8,3,
0,13,63,63,13,
0,663,4938,9038,4938,663,
0,17,177,502,502,177,17,
...

Crossrefs

Cf. A245167, A245169, A245170, A245171, A245172, A245173.

Sequence in context: A038755 A245171 A011230 * A071209 A156227 A021727

Adjacent sequences: A245165 A245166 A245167 * A245169 A245170 A245171

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Jul 13 2014

Status

approved