A128076 - cp's OEIS frontend

A128076 Triangle T(n,k) = 2*n-k, read by rows.

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

[1, 3, 2, 5, 4, 3, 7, 6, 5, 4, 9, 8, 7, 6, 5, 11, 10, 9, 8, 7, 6, 13, 12, 11, 10, 9, 8, 7, 15, 14, 13, 12, 11, 10, 9, 8, 17, 16, 15, 14, 13, 12, 11, 10, 9, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11]

cp's OEIS Frontend

A128076 Triangle T(n,k) = 2*n-k, read by rows.

Table of values

List of values

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

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

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