A289621 - cp's OEIS frontend

A289621 Compound filter (omega & bigomega): a(1) = 0, for n > 1, a(n) = P(A001221(n), A001222(n)), where P(n,k) is sequence A000027 used as a pairing function.

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	5
7	1
8	4
9	2
10	5
11	1
12	8
13	1
14	5
15	5
16	7
17	1
18	8
19	1
20	8
21	5
22	5
23	1
24	12
25	2
26	5
27	4
28	8
29	1
30	13
31	1
32	11
33	5
34	5
35	5
36	12
37	1
38	5
39	5
40	12
41	1
42	13
43	1
44	8
45	8
46	5
47	1
48	17
49	2
50	8
51	5
52	8
53	1
54	12
55	5
56	12
57	5
58	5
59	1
60	18
61	1
62	5
63	8
64	16
65	5
66	13
67	1
68	8
69	5
70	13
71	1
72	17
73	1
74	5
75	8
76	8
77	5
78	13
79	1
80	17
81	7
82	5
83	1
84	18
85	5
86	5
87	5
88	12
89	1
90	18
91	5
92	8
93	5
94	5
95	5
96	23
97	1
98	8
99	8

[0, 1, 1, 2, 1, 5, 1, 4, 2, 5, 1, 8, 1, 5, 5, 7, 1, 8, 1, 8, 5, 5, 1, 12, 2, 5, 4, 8, 1, 13, 1, 11, 5, 5, 5, 12, 1, 5, 5, 12, 1, 13, 1, 8, 8, 5, 1, 17, 2, 8, 5, 8, 1, 12, 5, 12, 5, 5, 1, 18, 1, 5, 8, 16, 5, 13, 1, 8, 5, 13, 1, 17, 1, 5, 8, 8, 5, 13, 1, 17, 7, 5, 1, 18, 5, 5, 5, 12, 1, 18, 5, 8, 5, 5, 5, 23, 1, 8, 8]

cp's OEIS Frontend

A289621 Compound filter (omega & bigomega): a(1) = 0, for n > 1, a(n) = P(A001221(n), A001222(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	5
7	1
8	4
9	2
10	5
11	1
12	8
13	1
14	5
15	5
16	7
17	1
18	8
19	1
20	8
21	5
22	5
23	1
24	12
25	2
26	5
27	4
28	8
29	1
30	13
31	1
32	11
33	5
34	5
35	5
36	12
37	1
38	5
39	5
40	12
41	1
42	13
43	1
44	8
45	8
46	5
47	1
48	17
49	2
50	8
51	5
52	8
53	1
54	12
55	5
56	12
57	5
58	5
59	1
60	18
61	1
62	5
63	8
64	16
65	5
66	13
67	1
68	8
69	5
70	13
71	1
72	17
73	1
74	5
75	8
76	8
77	5
78	13
79	1
80	17
81	7
82	5
83	1
84	18
85	5
86	5
87	5
88	12
89	1
90	18
91	5
92	8
93	5
94	5
95	5
96	23
97	1
98	8
99	8

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	5
7	1
8	4
9	2
10	5
11	1
12	8
13	1
14	5
15	5
16	7
17	1
18	8
19	1
20	8
21	5
22	5
23	1
24	12
25	2
26	5
27	4
28	8
29	1
30	13
31	1
32	11
33	5
34	5
35	5
36	12
37	1
38	5
39	5
40	12
41	1
42	13
43	1
44	8
45	8
46	5
47	1
48	17
49	2
50	8
51	5
52	8
53	1
54	12
55	5
56	12
57	5
58	5
59	1
60	18
61	1
62	5
63	8
64	16
65	5
66	13
67	1
68	8
69	5
70	13
71	1
72	17
73	1
74	5
75	8
76	8
77	5
78	13
79	1
80	17
81	7
82	5
83	1
84	18
85	5
86	5
87	5
88	12
89	1
90	18
91	5
92	8
93	5
94	5
95	5
96	23
97	1
98	8
99	8

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	5
7	1
8	4
9	2
10	5
11	1
12	8
13	1
14	5
15	5
16	7
17	1
18	8
19	1
20	8
21	5
22	5
23	1
24	12
25	2
26	5
27	4
28	8
29	1
30	13
31	1
32	11
33	5
34	5
35	5
36	12
37	1
38	5
39	5
40	12
41	1
42	13
43	1
44	8
45	8
46	5
47	1
48	17
49	2
50	8
51	5
52	8
53	1
54	12
55	5
56	12
57	5
58	5
59	1
60	18
61	1
62	5
63	8
64	16
65	5
66	13
67	1
68	8
69	5
70	13
71	1
72	17
73	1
74	5
75	8
76	8
77	5
78	13
79	1
80	17
81	7
82	5
83	1
84	18
85	5
86	5
87	5
88	12
89	1
90	18
91	5
92	8
93	5
94	5
95	5
96	23
97	1
98	8
99	8