A382880 - cp's OEIS frontend

A382880 Symmetric triangle read by rows refining A109113.

n	a(n)
0	1
1	1
2	1
3	6
4	6
5	1
6	1
7	11
8	33
9	33
10	11
11	1
12	1
13	16
14	85
15	189
16	189
17	85
18	16
19	1
20	1
21	21
22	162
23	590
24	1107
25	1107
26	590
27	162
28	21
29	1
30	1
31	26
32	264
33	1361
34	3919
35	6588
36	6588
37	3919
38	1361
39	264
40	26
41	1
42	1
43	31
44	391
45	2627
46	10400
47	25484
48	39663
49	39663
50	25484
51	10400
52	2627
53	391
54	31
55	1

[1, 1, 1, 6, 6, 1, 1, 11, 33, 33, 11, 1, 1, 16, 85, 189, 189, 85, 16, 1, 1, 21, 162, 590, 1107, 1107, 590, 162, 21, 1, 1, 26, 264, 1361, 3919, 6588, 6588, 3919, 1361, 264, 26, 1, 1, 31, 391, 2627, 10400, 25484, 39663, 39663, 25484, 10400, 2627, 391, 31, 1]

cp's OEIS Frontend

A382880 Symmetric triangle read by rows refining A109113.

Table of values

List of values