A322891 - cp's OEIS frontend

A322891 Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2kx^2), for n >= 0.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	9
7	6
8	8
9	6
10	11
11	42
12	45
13	84
14	44
15	48
16	24
17	50
18	227
19	310
20	717
21	620
22	908
23	400
24	384
25	120
26	274
27	1425
28	2277
29	6165
30	6917
31	12330
32	9108
33	11400
34	4384
35	3840
36	720
37	1764
38	10264
39	18375
40	56367
41	74991
42	154877
43	149982
44	225468
45	147000
46	164224
47	56448
48	46080
49	5040
50	13068
51	83692
52	163585
53	556640
54	838554
55	1948268
56	2254625
57	3896536
58	3354216
59	4453120
60	2617360
61	2678144
62	836352
63	645120
64	40320
65	109584
66	763244
67	1601460
68	5955777
69	9882432
70	25330938
71	33402132
72	64599201
73	66804264
74	101323752
75	79059456
76	95292432
77	51246720
78	48847616
79	14026752
80	10321920

[1, 1, 1, 2, 2, 3, 9, 6, 8, 6, 11, 42, 45, 84, 44, 48, 24, 50, 227, 310, 717, 620, 908, 400, 384, 120, 274, 1425, 2277, 6165, 6917, 12330, 9108, 11400, 4384, 3840, 720, 1764, 10264, 18375, 56367, 74991, 154877, 149982, 225468, 147000, 164224, 56448, 46080, 5040, 13068, 83692, 163585, 556640, 838554, 1948268, 2254625, 3896536, 3354216, 4453120, 2617360, 2678144, 836352, 645120, 40320, 109584, 763244, 1601460, 5955777, 9882432, 25330938, 33402132, 64599201, 66804264, 101323752, 79059456, 95292432, 51246720, 48847616, 14026752, 10321920]

cp's OEIS Frontend

A322891 Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2kx^2), for n >= 0.

Table of values

List of values

cp's OEIS Frontend

A322891 Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2*k*x^2), for n >= 0.

Table of values

List of values

A322891 Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2kx^2), for n >= 0.