A285902 - cp's OEIS frontend

A285902 Total number of partitions of all positive integers <= n into an even number of consecutive parts.

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

[0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, 12, 14, 15, 16, 16, 17, 18, 20, 20, 21, 22, 23, 23, 25, 26, 27, 28, 29, 30, 32, 32, 33, 34, 35, 36, 38, 39, 40, 40, 41, 42, 44, 45, 46, 47, 49, 49, 51, 52, 53, 54, 55, 56, 58, 58, 60, 61, 62, 63, 65, 66, 67, 67, 68, 69, 72, 73, 74, 76, 77, 77, 79, 80, 81, 82]

cp's OEIS Frontend

A285902 Total number of partitions of all positive integers <= n into an even number of consecutive parts.

Table of values

List of values

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

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

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