A303273 - cp's OEIS frontend

A303273 Array T(n,k) = binomial(n, 2) + k*n + 1 read by antidiagonals.

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

[1, 1, 1, 1, 2, 2, 1, 3, 4, 4, 1, 4, 6, 7, 7, 1, 5, 8, 10, 11, 11, 1, 6, 10, 13, 15, 16, 16, 1, 7, 12, 16, 19, 21, 22, 22, 1, 8, 14, 19, 23, 26, 28, 29, 29, 1, 9, 16, 22, 27, 31, 34, 36, 37, 37, 1, 10, 18, 25, 31, 36, 40, 43, 45, 46, 46, 1, 11, 20, 28, 35, 41]

cp's OEIS Frontend

A303273 Array T(n,k) = binomial(n, 2) + k*n + 1 read by antidiagonals.

Table of values

List of values

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

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

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