A385674 - cp's OEIS frontend

A385674 Triangle read by rows: T(n,n) = 1 and T(n,k) = (T(n-1,k) | T(n-2,k) | ... | T(n-k,k)) + 1, where | is bitwise OR, (0<=k<=n).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	4
12	4
13	2
14	1
15	1
16	5
17	7
18	4
19	2
20	1
21	1
22	6
23	8
24	8
25	4
26	2
27	1
28	1
29	7
30	16
31	15
32	8
33	4
34	2
35	1
36	1
37	8
38	25
39	16
40	16
41	8
42	4
43	2
44	1
45	1
46	9
47	26
48	32
49	31
50	16
51	8
52	4
53	2
54	1
55	1
56	10
57	28
58	64
59	32
60	32
61	16
62	8
63	4
64	2
65	1
66	1
67	11
68	31
69	113
70	64
71	63
72	32
73	16
74	8
75	4
76	2
77	1
78	1
79	12
80	32
81	114
82	128
83	64
84	64
85	32
86	16
87	8
88	4
89	2
90	1

[1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 4, 4, 2, 1, 1, 5, 7, 4, 2, 1, 1, 6, 8, 8, 4, 2, 1, 1, 7, 16, 15, 8, 4, 2, 1, 1, 8, 25, 16, 16, 8, 4, 2, 1, 1, 9, 26, 32, 31, 16, 8, 4, 2, 1, 1, 10, 28, 64, 32, 32, 16, 8, 4, 2, 1, 1, 11, 31, 113, 64, 63, 32, 16, 8, 4, 2, 1, 1, 12, 32, 114, 128, 64, 64, 32, 16, 8, 4, 2, 1]

cp's OEIS Frontend

A385674 Triangle read by rows: T(n,n) = 1 and T(n,k) = (T(n-1,k) | T(n-2,k) | ... | T(n-k,k)) + 1, where | is bitwise OR, (0<=k<=n).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	4
12	4
13	2
14	1
15	1
16	5
17	7
18	4
19	2
20	1
21	1
22	6
23	8
24	8
25	4
26	2
27	1
28	1
29	7
30	16
31	15
32	8
33	4
34	2
35	1
36	1
37	8
38	25
39	16
40	16
41	8
42	4
43	2
44	1
45	1
46	9
47	26
48	32
49	31
50	16
51	8
52	4
53	2
54	1
55	1
56	10
57	28
58	64
59	32
60	32
61	16
62	8
63	4
64	2
65	1
66	1
67	11
68	31
69	113
70	64
71	63
72	32
73	16
74	8
75	4
76	2
77	1
78	1
79	12
80	32
81	114
82	128
83	64
84	64
85	32
86	16
87	8
88	4
89	2
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	4
12	4
13	2
14	1
15	1
16	5
17	7
18	4
19	2
20	1
21	1
22	6
23	8
24	8
25	4
26	2
27	1
28	1
29	7
30	16
31	15
32	8
33	4
34	2
35	1
36	1
37	8
38	25
39	16
40	16
41	8
42	4
43	2
44	1
45	1
46	9
47	26
48	32
49	31
50	16
51	8
52	4
53	2
54	1
55	1
56	10
57	28
58	64
59	32
60	32
61	16
62	8
63	4
64	2
65	1
66	1
67	11
68	31
69	113
70	64
71	63
72	32
73	16
74	8
75	4
76	2
77	1
78	1
79	12
80	32
81	114
82	128
83	64
84	64
85	32
86	16
87	8
88	4
89	2
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	1
10	1
11	4
12	4
13	2
14	1
15	1
16	5
17	7
18	4
19	2
20	1
21	1
22	6
23	8
24	8
25	4
26	2
27	1
28	1
29	7
30	16
31	15
32	8
33	4
34	2
35	1
36	1
37	8
38	25
39	16
40	16
41	8
42	4
43	2
44	1
45	1
46	9
47	26
48	32
49	31
50	16
51	8
52	4
53	2
54	1
55	1
56	10
57	28
58	64
59	32
60	32
61	16
62	8
63	4
64	2
65	1
66	1
67	11
68	31
69	113
70	64
71	63
72	32
73	16
74	8
75	4
76	2
77	1
78	1
79	12
80	32
81	114
82	128
83	64
84	64
85	32
86	16
87	8
88	4
89	2
90	1