A156231 - cp's OEIS frontend

A156231 Sequence gives the Poincaré series [or Poincare series] of an ordinal Hodge algebra, or algebra with straightening law, for a ring that the braid group on four strands acts on. It is Cohen-Macaulay.

n	a(n)
0	1
1	0
2	6
3	8
4	24
5	48
6	106
7	192
8	369
9	624
10	1080
11	1728
12	2787
13	4248
14	6498
15	9528
16	13962
17	19824
18	28066
19	38760
20	53334
21	71936
22	96618
23	127680
24	167983
25	218040
26	281784
27	360024
28	458037
29	577080
30	724098
31	900936
32	1116636
33	1373808
34	1684038

[1, 0, 6, 8, 24, 48, 106, 192, 369, 624, 1080, 1728, 2787, 4248, 6498, 9528, 13962, 19824, 28066, 38760, 53334, 71936, 96618, 127680, 167983, 218040, 281784, 360024, 458037, 577080, 724098, 900936, 1116636, 1373808, 1684038]

cp's OEIS Frontend

A156231 Sequence gives the Poincaré series [or Poincare series] of an ordinal Hodge algebra, or algebra with straightening law, for a ring that the braid group on four strands acts on. It is Cohen-Macaulay.

Table of values

List of values