A235608 - cp's OEIS frontend

A235608 Triangle read by rows: a non-Riordan array serving as a counterexample to a conjecture about Riordan arrays.

n	a(n)
0	1
1	2
2	1
3	10
4	5
5	1
6	62
7	31
8	7
9	1
10	430
11	215
12	51
13	10
14	1
15	3194
16	1597
17	389
18	87
19	12
20	1
21	24850
22	12425
23	3077
24	740
25	117
26	15
27	1
28	199910
29	99955
30	25035
31	6305
32	1076
33	168
34	17
35	1
36	1649350
37	824675
38	208255
39	54150
40	9705
41	1700
42	208
43	20
44	1
45	13879538
46	6939769
47	1763473
48	469399
49	87048

[1, 2, 1, 10, 5, 1, 62, 31, 7, 1, 430, 215, 51, 10, 1, 3194, 1597, 389, 87, 12, 1, 24850, 12425, 3077, 740, 117, 15, 1, 199910, 99955, 25035, 6305, 1076, 168, 17, 1, 1649350, 824675, 208255, 54150, 9705, 1700, 208, 20, 1, 13879538, 6939769, 1763473, 469399, 87048]

cp's OEIS Frontend

A235608 Triangle read by rows: a non-Riordan array serving as a counterexample to a conjecture about Riordan arrays.

Table of values

List of values