A097586 - cp's OEIS frontend

A097586 Table T(n,n) read by rows: T(1,1)=0; then if n even T(n,1)=T(n-1,1)+2 and if n odd T(n,1)=T(n-2,1)+T(n-1,1)-1 then T(n,j)=T(n,j-1) + 2^floor((n+1)/2).

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	2
12	4
13	6
14	8
15	10
16	12
17	14
18	16
19	18
20	20
21	1
22	5
23	9
24	13
25	17
26	21
27	25
28	29
29	33
30	37
31	3
32	7
33	11
34	15
35	19
36	23
37	27
38	31
39	35
40	39
41	3
42	11
43	19
44	27
45	35
46	43
47	51
48	59
49	67
50	75
51	5
52	13
53	21
54	29
55	37
56	45
57	53
58	61
59	69
60	77
61	7
62	23
63	39
64	55
65	71
66	87
67	103
68	119
69	135
70	151
71	9
72	25
73	41
74	57
75	73

[0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 3, 11, 19, 27, 35, 43, 51, 59, 67, 75, 5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 7, 23, 39, 55, 71, 87, 103, 119, 135, 151, 9, 25, 41, 57, 73]

cp's OEIS Frontend

A097586 Table T(n,n) read by rows: T(1,1)=0; then if n even T(n,1)=T(n-1,1)+2 and if n odd T(n,1)=T(n-2,1)+T(n-1,1)-1 then T(n,j)=T(n,j-1) + 2^floor((n+1)/2).

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	2
12	4
13	6
14	8
15	10
16	12
17	14
18	16
19	18
20	20
21	1
22	5
23	9
24	13
25	17
26	21
27	25
28	29
29	33
30	37
31	3
32	7
33	11
34	15
35	19
36	23
37	27
38	31
39	35
40	39
41	3
42	11
43	19
44	27
45	35
46	43
47	51
48	59
49	67
50	75
51	5
52	13
53	21
54	29
55	37
56	45
57	53
58	61
59	69
60	77
61	7
62	23
63	39
64	55
65	71
66	87
67	103
68	119
69	135
70	151
71	9
72	25
73	41
74	57
75	73

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	2
12	4
13	6
14	8
15	10
16	12
17	14
18	16
19	18
20	20
21	1
22	5
23	9
24	13
25	17
26	21
27	25
28	29
29	33
30	37
31	3
32	7
33	11
34	15
35	19
36	23
37	27
38	31
39	35
40	39
41	3
42	11
43	19
44	27
45	35
46	43
47	51
48	59
49	67
50	75
51	5
52	13
53	21
54	29
55	37
56	45
57	53
58	61
59	69
60	77
61	7
62	23
63	39
64	55
65	71
66	87
67	103
68	119
69	135
70	151
71	9
72	25
73	41
74	57
75	73

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	2
12	4
13	6
14	8
15	10
16	12
17	14
18	16
19	18
20	20
21	1
22	5
23	9
24	13
25	17
26	21
27	25
28	29
29	33
30	37
31	3
32	7
33	11
34	15
35	19
36	23
37	27
38	31
39	35
40	39
41	3
42	11
43	19
44	27
45	35
46	43
47	51
48	59
49	67
50	75
51	5
52	13
53	21
54	29
55	37
56	45
57	53
58	61
59	69
60	77
61	7
62	23
63	39
64	55
65	71
66	87
67	103
68	119
69	135
70	151
71	9
72	25
73	41
74	57
75	73