A180638 - cp's OEIS frontend

A180638 Phan Thành Nam's upper bound on the number of non-relativistic electrons bound to a nucleus of charge n.

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	17
10	18
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	30
19	31
20	32
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	43
29	44
30	46
31	47
32	48
33	50
34	51
35	52
36	54
37	55
38	56
39	58
40	59
41	60
42	62
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	89
64	90
65	91
66	93
67	94
68	95
69	96
70	98
71	99
72	100
73	102

[4, 6, 8, 9, 11, 12, 14, 15, 17, 18, 20, 21, 23, 24, 25, 27, 28, 30, 31, 32, 34, 35, 36, 38, 39, 40, 42, 43, 44, 46, 47, 48, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96, 98, 99, 100, 102]

cp's OEIS Frontend

A180638 Phan Thành Nam's upper bound on the number of non-relativistic electrons bound to a nucleus of charge n.

Table of values

List of values

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	17
10	18
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	30
19	31
20	32
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	43
29	44
30	46
31	47
32	48
33	50
34	51
35	52
36	54
37	55
38	56
39	58
40	59
41	60
42	62
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	89
64	90
65	91
66	93
67	94
68	95
69	96
70	98
71	99
72	100
73	102

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	17
10	18
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	30
19	31
20	32
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	43
29	44
30	46
31	47
32	48
33	50
34	51
35	52
36	54
37	55
38	56
39	58
40	59
41	60
42	62
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	89
64	90
65	91
66	93
67	94
68	95
69	96
70	98
71	99
72	100
73	102

n	a(n)
1	4
2	6
3	8
4	9
5	11
6	12
7	14
8	15
9	17
10	18
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	30
19	31
20	32
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	43
29	44
30	46
31	47
32	48
33	50
34	51
35	52
36	54
37	55
38	56
39	58
40	59
41	60
42	62
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	89
64	90
65	91
66	93
67	94
68	95
69	96
70	98
71	99
72	100
73	102