A111581 - cp's OEIS frontend

A111581 G.f.: A(x) = ( G(x)^2 - G(x^2) - 2x/(1-x^2) )/(4x^2) where G(x) is the g.f. of A110627.

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

[1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 12, 12, 14, 14, 15, 16, 16, 17, 17, 18, 19, 19, 21, 20, 21, 22, 22, 24, 24, 25, 26, 27, 29, 29, 31, 32, 32, 34, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 44, 45, 46, 47, 48, 49, 49, 50, 50, 51, 51, 52, 53, 53, 55, 55, 56, 57, 57]

cp's OEIS Frontend

A111581 G.f.: A(x) = ( G(x)^2 - G(x^2) - 2x/(1-x^2) )/(4x^2) where G(x) is the g.f. of A110627.

Table of values

List of values

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

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

cp's OEIS Frontend

A111581 G.f.: A(x) = ( G(x)^2 - G(x^2) - 2*x/(1-x^2) )/(4*x^2) where G(x) is the g.f. of A110627.

Table of values

List of values

A111581 G.f.: A(x) = ( G(x)^2 - G(x^2) - 2x/(1-x^2) )/(4x^2) where G(x) is the g.f. of A110627.

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