A057747 - cp's OEIS frontend

A057747 Number of decompositions of 2n-1 into sum of a lucky number and an even-lucky-number (from A045954).

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

[0, 1, 2, 2, 2, 3, 4, 3, 3, 5, 4, 4, 5, 6, 4, 4, 5, 7, 6, 5, 5, 8, 6, 6, 6, 8, 8, 9, 8, 8, 7, 6, 7, 8, 9, 9, 9, 9, 10, 10, 7, 10, 13, 8, 9, 11, 10, 8, 9, 10, 12, 10, 12, 9, 12, 11, 10, 12, 14, 12, 15, 12, 10, 12, 10, 13, 16, 11, 13, 16, 14, 11, 15, 15, 13, 17, 15, 12, 13, 10, 12, 18, 14, 11]

cp's OEIS Frontend

A057747 Number of decompositions of 2n-1 into sum of a lucky number and an even-lucky-number (from A045954).

Table of values

List of values

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

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

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