OFFSET
1,7
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..1275
EXAMPLE
Triangle begins:
1;
1, 1;
1, 1, 1;
2, 3, 2, 1;
3, 7, 6, 2, 1;
6, 20, 23, 11, 3, 1;
10, 50, 80, 51, 17, 3, 1;
20, 136, 285, 252, 109, 26, 4, 1;
36, 346, 966, 1119, 652, 200, 36, 4, 1;
72, 901, 3188, 4782, 3623, 1502, 352, 50, 5, 1;
...
PROG
(PARI) \\ See A303731 for NCPathSetsModDihedral
{ my(rows=Vec(NCPathSetsModDihedral(vector(10, k, y))-1));
for(n=1, #rows, for(k=1, n, print1(polcoeff(rows[n], k), ", ")); print; ) }
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, May 01 2018
STATUS
approved