A286566 - cp's OEIS frontend

A286566 Compound filter (prime signature of n & prime signature of the n-th Jacobsthal number): a(n) = P(A101296(n), A286566(n)), where P(n,k) is sequence A000027 used as a pairing function.

n	a(n)
1	1
2	3
3	5
4	9
5	5
6	19
7	5
8	26
9	18
10	19
11	5
12	51
13	5
14	19
15	40
16	73
17	5
18	72
19	5
20	72
21	40
22	40
23	5
24	113
25	31
26	19
27	83
28	111
29	8
30	129
31	5
32	101
33	32
34	19
35	32
36	221
37	8
38	19
39	40
40	179
41	8
42	199
43	5
44	84
45	159
46	40
47	8
48	312
49	13
50	84
51	82
52	84
53	8
54	239
55	49
56	261
57	32
58	82
59	23
60	419
61	5
62	19
63	159
64	224
65	82
66	334
67	8
68	84
69	32
70	334
71	8
72	543
73	8
74	32
75	84
76	84
77	82
78	285
79	5
80	243
81	332
82	32
83	57
84	478
85	40
86	32
87	32
88	218
89	23
90	419
91	82

[1, 3, 5, 9, 5, 19, 5, 26, 18, 19, 5, 51, 5, 19, 40, 73, 5, 72, 5, 72, 40, 40, 5, 113, 31, 19, 83, 111, 8, 129, 5, 101, 32, 19, 32, 221, 8, 19, 40, 179, 8, 199, 5, 84, 159, 40, 8, 312, 13, 84, 82, 84, 8, 239, 49, 261, 32, 82, 23, 419, 5, 19, 159, 224, 82, 334, 8, 84, 32, 334, 8, 543, 8, 32, 84, 84, 82, 285, 5, 243, 332, 32, 57, 478, 40, 32, 32, 218, 23, 419, 82]

cp's OEIS Frontend

A286566 Compound filter (prime signature of n & prime signature of the n-th Jacobsthal number): a(n) = P(A101296(n), A286566(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	9
5	5
6	19
7	5
8	26
9	18
10	19
11	5
12	51
13	5
14	19
15	40
16	73
17	5
18	72
19	5
20	72
21	40
22	40
23	5
24	113
25	31
26	19
27	83
28	111
29	8
30	129
31	5
32	101
33	32
34	19
35	32
36	221
37	8
38	19
39	40
40	179
41	8
42	199
43	5
44	84
45	159
46	40
47	8
48	312
49	13
50	84
51	82
52	84
53	8
54	239
55	49
56	261
57	32
58	82
59	23
60	419
61	5
62	19
63	159
64	224
65	82
66	334
67	8
68	84
69	32
70	334
71	8
72	543
73	8
74	32
75	84
76	84
77	82
78	285
79	5
80	243
81	332
82	32
83	57
84	478
85	40
86	32
87	32
88	218
89	23
90	419
91	82

n	a(n)
1	1
2	3
3	5
4	9
5	5
6	19
7	5
8	26
9	18
10	19
11	5
12	51
13	5
14	19
15	40
16	73
17	5
18	72
19	5
20	72
21	40
22	40
23	5
24	113
25	31
26	19
27	83
28	111
29	8
30	129
31	5
32	101
33	32
34	19
35	32
36	221
37	8
38	19
39	40
40	179
41	8
42	199
43	5
44	84
45	159
46	40
47	8
48	312
49	13
50	84
51	82
52	84
53	8
54	239
55	49
56	261
57	32
58	82
59	23
60	419
61	5
62	19
63	159
64	224
65	82
66	334
67	8
68	84
69	32
70	334
71	8
72	543
73	8
74	32
75	84
76	84
77	82
78	285
79	5
80	243
81	332
82	32
83	57
84	478
85	40
86	32
87	32
88	218
89	23
90	419
91	82

n	a(n)
1	1
2	3
3	5
4	9
5	5
6	19
7	5
8	26
9	18
10	19
11	5
12	51
13	5
14	19
15	40
16	73
17	5
18	72
19	5
20	72
21	40
22	40
23	5
24	113
25	31
26	19
27	83
28	111
29	8
30	129
31	5
32	101
33	32
34	19
35	32
36	221
37	8
38	19
39	40
40	179
41	8
42	199
43	5
44	84
45	159
46	40
47	8
48	312
49	13
50	84
51	82
52	84
53	8
54	239
55	49
56	261
57	32
58	82
59	23
60	419
61	5
62	19
63	159
64	224
65	82
66	334
67	8
68	84
69	32
70	334
71	8
72	543
73	8
74	32
75	84
76	84
77	82
78	285
79	5
80	243
81	332
82	32
83	57
84	478
85	40
86	32
87	32
88	218
89	23
90	419
91	82