A327003 - cp's OEIS frontend

A327003 Irregular triangle read by rows in which the n-th row lists multinomials for partitions of 3n which have only parts which are multiples of 3, in Hindenburg order.

n	a(n)
0	1
1	1
2	1
3	10
4	1
5	84
6	280
7	1
8	220
9	462
10	9240
11	15400
12	1
13	455
14	5005
15	50050
16	210210
17	1401400
18	1401400
19	1
20	816
21	18564
22	185640
23	24310
24	4084080
25	13613600
26	2858856
27	85765680
28	285885600
29	190590400
30	1
31	1330
32	54264
33	542640
34	293930
35	24690120
36	82300400
37	32332300
38	135795660
39	2715913200
40	4526522000
41	3802278480
42	38022784800
43	76045569600
44	36212176000

[1, 1, 1, 10, 1, 84, 280, 1, 220, 462, 9240, 15400, 1, 455, 5005, 50050, 210210, 1401400, 1401400, 1, 816, 18564, 185640, 24310, 4084080, 13613600, 2858856, 85765680, 285885600, 190590400, 1, 1330, 54264, 542640, 293930, 24690120, 82300400, 32332300, 135795660, 2715913200, 4526522000, 3802278480, 38022784800, 76045569600, 36212176000]

cp's OEIS Frontend

A327003 Irregular triangle read by rows in which the n-th row lists multinomials for partitions of 3n which have only parts which are multiples of 3, in Hindenburg order.

Table of values

List of values