A143232 - cp's OEIS frontend

A143232 Sum of denominators of Egyptian fraction expansion of A004001(n) - n/2.

n	a(n)
1	2
2	0
3	2
4	0
5	2
6	1
7	2
8	0
9	2
10	1
11	3
12	1
13	3
14	1
15	2
16	0
17	2
18	1
19	3
20	2
21	3
22	2
23	4
24	2
25	4
26	2
27	3
28	2
29	3
30	1
31	2
32	0
33	2
34	1
35	3
36	2
37	4
38	2
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	5
50	4
51	5
52	4
53	5
54	3
55	5
56	3
57	4
58	2
59	4
60	2
61	3
62	1
63	2
64	0
65	2
66	1
67	3
68	2
69	4
70	3
71	4
72	3
73	5
74	4
75	6
76	4
77	6
78	5
79	7
80	5
81	7
82	6
83	7
84	6
85	7
86	5
87	7
88	6
89	8
90	6
91	8
92	7
93	8
94	7
95	8
96	6
97	8
98	7
99	8
100	7
101	8
102	6
103	8
104	6
105	7

[2, 0, 2, 0, 2, 1, 2, 0, 2, 1, 3, 1, 3, 1, 2, 0, 2, 1, 3, 2, 3, 2, 4, 2, 4, 2, 3, 2, 3, 1, 2, 0, 2, 1, 3, 2, 4, 2, 4, 3, 5, 3, 5, 4, 5, 4, 5, 3, 5, 4, 5, 4, 5, 3, 5, 3, 4, 2, 4, 2, 3, 1, 2, 0, 2, 1, 3, 2, 4, 3, 4, 3, 5, 4, 6, 4, 6, 5, 7, 5, 7, 6, 7, 6, 7, 5, 7, 6, 8, 6, 8, 7, 8, 7, 8, 6, 8, 7, 8, 7, 8, 6, 8, 6, 7]

cp's OEIS Frontend

A143232 Sum of denominators of Egyptian fraction expansion of A004001(n) - n/2.

Table of values

List of values

n	a(n)
1	2
2	0
3	2
4	0
5	2
6	1
7	2
8	0
9	2
10	1
11	3
12	1
13	3
14	1
15	2
16	0
17	2
18	1
19	3
20	2
21	3
22	2
23	4
24	2
25	4
26	2
27	3
28	2
29	3
30	1
31	2
32	0
33	2
34	1
35	3
36	2
37	4
38	2
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	5
50	4
51	5
52	4
53	5
54	3
55	5
56	3
57	4
58	2
59	4
60	2
61	3
62	1
63	2
64	0
65	2
66	1
67	3
68	2
69	4
70	3
71	4
72	3
73	5
74	4
75	6
76	4
77	6
78	5
79	7
80	5
81	7
82	6
83	7
84	6
85	7
86	5
87	7
88	6
89	8
90	6
91	8
92	7
93	8
94	7
95	8
96	6
97	8
98	7
99	8
100	7
101	8
102	6
103	8
104	6
105	7

n	a(n)
1	2
2	0
3	2
4	0
5	2
6	1
7	2
8	0
9	2
10	1
11	3
12	1
13	3
14	1
15	2
16	0
17	2
18	1
19	3
20	2
21	3
22	2
23	4
24	2
25	4
26	2
27	3
28	2
29	3
30	1
31	2
32	0
33	2
34	1
35	3
36	2
37	4
38	2
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	5
50	4
51	5
52	4
53	5
54	3
55	5
56	3
57	4
58	2
59	4
60	2
61	3
62	1
63	2
64	0
65	2
66	1
67	3
68	2
69	4
70	3
71	4
72	3
73	5
74	4
75	6
76	4
77	6
78	5
79	7
80	5
81	7
82	6
83	7
84	6
85	7
86	5
87	7
88	6
89	8
90	6
91	8
92	7
93	8
94	7
95	8
96	6
97	8
98	7
99	8
100	7
101	8
102	6
103	8
104	6
105	7

n	a(n)
1	2
2	0
3	2
4	0
5	2
6	1
7	2
8	0
9	2
10	1
11	3
12	1
13	3
14	1
15	2
16	0
17	2
18	1
19	3
20	2
21	3
22	2
23	4
24	2
25	4
26	2
27	3
28	2
29	3
30	1
31	2
32	0
33	2
34	1
35	3
36	2
37	4
38	2
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	5
50	4
51	5
52	4
53	5
54	3
55	5
56	3
57	4
58	2
59	4
60	2
61	3
62	1
63	2
64	0
65	2
66	1
67	3
68	2
69	4
70	3
71	4
72	3
73	5
74	4
75	6
76	4
77	6
78	5
79	7
80	5
81	7
82	6
83	7
84	6
85	7
86	5
87	7
88	6
89	8
90	6
91	8
92	7
93	8
94	7
95	8
96	6
97	8
98	7
99	8
100	7
101	8
102	6
103	8
104	6
105	7