A300840 - cp's OEIS frontend

A300840 Fermi-Dirac factorization prime shift towards smaller terms: a(n) = A052330(floor(A052331(n)/2)).

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

[1, 1, 2, 3, 4, 2, 5, 3, 7, 4, 9, 6, 11, 5, 8, 13, 16, 7, 17, 12, 10, 9, 19, 6, 23, 11, 14, 15, 25, 8, 29, 13, 18, 16, 20, 21, 31, 17, 22, 12, 37, 10, 41, 27, 28, 19, 43, 26, 47, 23, 32, 33, 49, 14, 36, 15, 34, 25, 53, 24, 59, 29, 35, 39, 44, 18, 61, 48, 38, 20, 67, 21, 71, 31, 46, 51, 45, 22, 73, 52, 79, 37, 81, 30, 64, 41, 50, 27]

cp's OEIS Frontend

A300840 Fermi-Dirac factorization prime shift towards smaller terms: a(n) = A052330(floor(A052331(n)/2)).

Table of values

List of values

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

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

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