A004488 - cp's OEIS frontend

A004488 Tersum n + n.

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

[0, 2, 1, 6, 8, 7, 3, 5, 4, 18, 20, 19, 24, 26, 25, 21, 23, 22, 9, 11, 10, 15, 17, 16, 12, 14, 13, 54, 56, 55, 60, 62, 61, 57, 59, 58, 72, 74, 73, 78, 80, 79, 75, 77, 76, 63, 65, 64, 69, 71, 70, 66, 68, 67, 27, 29, 28, 33, 35, 34, 30, 32, 31, 45, 47, 46, 51]

cp's OEIS Frontend

A004488 Tersum n + n.

Table of values

List of values

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

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

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