A274190 - cp's OEIS frontend

A274190 Triangular array read by rows: g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,2k) for n > 0, k > 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	3
17	3
18	2
19	1
20	1
21	1
22	4
23	4
24	3
25	2
26	1
27	1
28	1
29	5
30	6
31	5
32	3
33	2
34	1
35	1
36	1
37	7
38	8
39	7
40	5
41	3
42	2
43	1
44	1
45	1
46	9
47	12
48	10
49	8
50	5
51	3
52	2
53	1
54	1
55	1
56	13
57	17
58	15
59	11
60	8
61	5
62	3
63	2
64	1
65	1
66	1
67	18
68	24
69	22
70	17
71	12
72	8
73	5
74	3
75	2
76	1
77	1
78	1
79	25
80	35
81	32

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 3, 3, 2, 1, 1, 1, 4, 4, 3, 2, 1, 1, 1, 5, 6, 5, 3, 2, 1, 1, 1, 7, 8, 7, 5, 3, 2, 1, 1, 1, 9, 12, 10, 8, 5, 3, 2, 1, 1, 1, 13, 17, 15, 11, 8, 5, 3, 2, 1, 1, 1, 18, 24, 22, 17, 12, 8, 5, 3, 2, 1, 1, 1, 25, 35, 32]

cp's OEIS Frontend

A274190 Triangular array read by rows: g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,2k) for n > 0, k > 1.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	3
17	3
18	2
19	1
20	1
21	1
22	4
23	4
24	3
25	2
26	1
27	1
28	1
29	5
30	6
31	5
32	3
33	2
34	1
35	1
36	1
37	7
38	8
39	7
40	5
41	3
42	2
43	1
44	1
45	1
46	9
47	12
48	10
49	8
50	5
51	3
52	2
53	1
54	1
55	1
56	13
57	17
58	15
59	11
60	8
61	5
62	3
63	2
64	1
65	1
66	1
67	18
68	24
69	22
70	17
71	12
72	8
73	5
74	3
75	2
76	1
77	1
78	1
79	25
80	35
81	32

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	3
17	3
18	2
19	1
20	1
21	1
22	4
23	4
24	3
25	2
26	1
27	1
28	1
29	5
30	6
31	5
32	3
33	2
34	1
35	1
36	1
37	7
38	8
39	7
40	5
41	3
42	2
43	1
44	1
45	1
46	9
47	12
48	10
49	8
50	5
51	3
52	2
53	1
54	1
55	1
56	13
57	17
58	15
59	11
60	8
61	5
62	3
63	2
64	1
65	1
66	1
67	18
68	24
69	22
70	17
71	12
72	8
73	5
74	3
75	2
76	1
77	1
78	1
79	25
80	35
81	32

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	3
17	3
18	2
19	1
20	1
21	1
22	4
23	4
24	3
25	2
26	1
27	1
28	1
29	5
30	6
31	5
32	3
33	2
34	1
35	1
36	1
37	7
38	8
39	7
40	5
41	3
42	2
43	1
44	1
45	1
46	9
47	12
48	10
49	8
50	5
51	3
52	2
53	1
54	1
55	1
56	13
57	17
58	15
59	11
60	8
61	5
62	3
63	2
64	1
65	1
66	1
67	18
68	24
69	22
70	17
71	12
72	8
73	5
74	3
75	2
76	1
77	1
78	1
79	25
80	35
81	32