A352680 - cp's OEIS frontend

A352680 Array read by ascending antidiagonals. A family of Catalan-like sequences. A(n, k) = [x^k] ((n - 1)x + 1)(1 - sqrt(1 - 4x))/(2x).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	1
6	1
7	2
8	2
9	3
10	1
11	3
12	3
13	5
14	9
15	1
16	4
17	4
18	7
19	14
20	28
21	1
22	5
23	5
24	9
25	19
26	42
27	90
28	1
29	6
30	6
31	11
32	24
33	56
34	132
35	297
36	1
37	7
38	7
39	13
40	29
41	70
42	174
43	429
44	1001
45	1
46	8
47	8
48	15
49	34
50	84
51	216
52	561
53	1430
54	3432
55	1
56	9
57	9
58	17
59	39
60	98
61	258
62	693
63	1859
64	4862
65	11934
66	1
67	10
68	10
69	19
70	44
71	112
72	300
73	825
74	2288
75	6292
76	16796
77	41990

[1, 1, 0, 1, 1, 1, 1, 2, 2, 3, 1, 3, 3, 5, 9, 1, 4, 4, 7, 14, 28, 1, 5, 5, 9, 19, 42, 90, 1, 6, 6, 11, 24, 56, 132, 297, 1, 7, 7, 13, 29, 70, 174, 429, 1001, 1, 8, 8, 15, 34, 84, 216, 561, 1430, 3432, 1, 9, 9, 17, 39, 98, 258, 693, 1859, 4862, 11934, 1, 10, 10, 19, 44, 112, 300, 825, 2288, 6292, 16796, 41990]

cp's OEIS Frontend

A352680 Array read by ascending antidiagonals. A family of Catalan-like sequences. A(n, k) = [x^k] ((n - 1)x + 1)(1 - sqrt(1 - 4x))/(2x).

Table of values

List of values

cp's OEIS Frontend

A352680 Array read by ascending antidiagonals. A family of Catalan-like sequences. A(n, k) = [x^k] ((n - 1)*x + 1)*(1 - sqrt(1 - 4*x))/(2*x).

Table of values

List of values

A352680 Array read by ascending antidiagonals. A family of Catalan-like sequences. A(n, k) = [x^k] ((n - 1)x + 1)(1 - sqrt(1 - 4x))/(2x).