A321620 - cp's OEIS frontend

A321620 The Riordan square of the Riordan numbers, triangle read by rows, T(n, k) for 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	3
12	2
13	1
14	1
15	3
16	5
17	5
18	3
19	1
20	1
21	6
22	13
23	10
24	7
25	4
26	1
27	1
28	15
29	29
30	26
31	16
32	9
33	5
34	1
35	1
36	36
37	73
38	61
39	42
40	23
41	11
42	6
43	1
44	1
45	91
46	181
47	157
48	103
49	61
50	31
51	13
52	7
53	1
54	1
55	232
56	465
57	398
58	271
59	156
60	83
61	40
62	15
63	8
64	1
65	1
66	603
67	1205
68	1040
69	702
70	419
71	221
72	108
73	50
74	17
75	9
76	1
77	1

[1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 3, 5, 5, 3, 1, 1, 6, 13, 10, 7, 4, 1, 1, 15, 29, 26, 16, 9, 5, 1, 1, 36, 73, 61, 42, 23, 11, 6, 1, 1, 91, 181, 157, 103, 61, 31, 13, 7, 1, 1, 232, 465, 398, 271, 156, 83, 40, 15, 8, 1, 1, 603, 1205, 1040, 702, 419, 221, 108, 50, 17, 9, 1, 1]

cp's OEIS Frontend

A321620 The Riordan square of the Riordan numbers, triangle read by rows, T(n, k) for 0 <= k <= n.

Table of values

List of values