A216209 - cp's OEIS frontend

A216209 Triangle read by rows: T(n,k) = n+k with 0 <= k <= 2*n.

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

[0, 1, 2, 3, 2, 3, 4, 5, 6, 3, 4, 5, 6, 7, 8, 9, 4, 5, 6, 7, 8, 9, 10, 11, 12, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21]

cp's OEIS Frontend

A216209 Triangle read by rows: T(n,k) = n+k with 0 <= k <= 2*n.

Table of values

List of values

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

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

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