A286720 - cp's OEIS frontend

A286720 Number of Egyptian fractions in the representation of 1-1/(2n+1) by the odd greedy expansion algorithm, without repeats.

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

[4, 6, 6, 4, 6, 6, 4, 6, 6, 6, 8, 6, 6, 10, 6, 6, 8, 6, 12, 10, 10, 4, 6, 6, 6, 8, 6, 6, 8, 10, 6, 6, 8, 8, 6, 10, 6, 8, 6, 8, 6, 10, 6, 10, 6, 10, 6, 10, 6, 8, 8, 6, 8, 8, 8, 6, 6, 6, 10, 8, 6, 8, 10, 12, 8, 10, 6, 8, 8, 8, 10, 8, 6, 8, 10, 6, 8, 8, 6, 6, 8]

cp's OEIS Frontend

A286720 Number of Egyptian fractions in the representation of 1-1/(2n+1) by the odd greedy expansion algorithm, without repeats.

Table of values

List of values

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

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

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